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NK.pl then ranked among the top five websites used in Poland, behind Google.pl, Onet.pl, and Wirtualna Polska, and it was visited by more than 50% of Polish Internet users each month (with 10% of the traffic coming from abroad). [4] As of July 2009 86% of its users lived in Poland, according to Alexa. The site was also popular in Norway, where ...
Maciej Popowicz (born 1984) – creator of nasza-klasa.pl, the Polish version of social networking site Classmates.com and student of computer science at University of Wrocław. He became one of the youngest Polish millionaires, after he sold 20% of shares of nasza-klasa.pl (20,000,000 zlotys, about $6,300,000, €4,500,000, £3,850,000) to ...
Nasza may refer to: Nasza TV , was a Polish supraregional television network Nasza Klasa or NK.pl , a Polish school-based social networking service used by alumni and students
Recamán's sequence: 0, 1, 3, 6, 2, 7, 13, 20, 12, 21, 11, 22, 10, 23, 9, 24, 8, 25, 43, 62, ... "subtract if possible, otherwise add": a(0) = 0; for n > 0, a(n) = a(n − 1) − n if that number is positive and not already in the sequence, otherwise a(n) = a(n − 1) + n, whether or not that number is already in the sequence. A005132
In mathematics and computer science, Recamán's sequence [1] [2] is a well known sequence defined by a recurrence relation. Because its elements are related to the previous elements in a straightforward way, they are often defined using recursion .
Nasza Klasa launches, later rebranded NK.pl peaking in popularity by 2009, becoming the biggest social media in Poland and the 4th most-visited website in the country. [41] 2007 Launch Tumblr, a microblogging and social networking website, launches. [42] 2007 Launch FriendFeed, a real-time social media feed aggregator, launches. [citation ...
The digital root pattern for triangular numbers, repeating every nine terms, as shown above, is "1, 3, 6, 1, 6, 3, 1, 9, 9". The converse of the statement above is, however, not always true. For example, the digital root of 12, which is not a triangular number, is 3 and divisible by three.
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