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2. Look-and-say sequence - Wikipedia

   en.wikipedia.org/wiki/Look-and-say_sequence

   The look-and-say sequence is also popularly known as the Morris Number Sequence, after cryptographer Robert Morris, and the puzzle "What is the next number in the sequence 1, 11, 21, 1211, 111221?" is sometimes referred to as the Cuckoo's Egg , from a description of Morris in Clifford Stoll 's book The Cuckoo's Egg .

3. List of integer sequences - Wikipedia

   en.wikipedia.org/wiki/List_of_integer_sequences

   A number that has the same number of digits as the number of digits in its prime factorization, including exponents but excluding exponents equal to 1. A046758: Extravagant numbers: 4, 6, 8, 9, 12, 18, 20, 22, 24, 26, 28, 30, 33, 34, 36, 38, ... A number that has fewer digits than the number of digits in its prime factorization (including ...

4. On-Line Encyclopedia of Integer Sequences - Wikipedia

   en.wikipedia.org/wiki/On-Line_Encyclopedia_of...

   and the sequences A053873, "Numbers n such that OEIS sequence A n contains n", and A053169, "n is in this sequence if and only if n is not in sequence A n". Thus, the composite number 2808 is in A053873 because A002808 is the sequence of composite numbers, while the non-prime 40 is in A053169 because it is not in A000040, the prime numbers

5. Integer sequence - Wikipedia

   en.wikipedia.org/wiki/Integer_sequence

   An integer sequence is computable if there exists an algorithm that, given n, calculates a n, for all n > 0. The set of computable integer sequences is countable.The set of all integer sequences is uncountable (with cardinality equal to that of the continuum), and so not all integer sequences are computable.

6. Complete sequence - Wikipedia

   en.wikipedia.org/wiki/Complete_sequence

   For example, the sequence of powers of two (1, 2, 4, 8, ...), the basis of the binary numeral system, is a complete sequence; given any natural number, we can choose the values corresponding to the 1 bits in its binary representation and sum them to obtain that number (e.g. 37 = 100101 2 = 1 + 4 + 32). This sequence is minimal, since no value ...

7. What are angel numbers? A guide to the numeric sequences and ...

   www.aol.com/angel-numbers-guide-numeric...

   Angel numbers are repeating number sequences, often used as guides for deeper spiritual exploration. Ranging from 000 to 999, each sequence carries its own distinct meaning and energy.