A blog about programming and more programming.


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OEIS or The On-Line Encyclopedia of Integer Sequences is a site containing more than  150000 sequences. I had few sequences in mind since some time but didn’t know where to look for them. So few days back when i came to know about this site i searched them on it. To my surprise i found most of them already present there but one was missing. I played a little with it and added two sequences there. The sequences i contributed are A156317 and A156316 .

Have you ever come across a number sequence in your work (or play) – such as 1, 1, 2, 3, 6, 11, 23, 47, … and wanted to find out what was known about it (or even simply the next term)? This is the place to find out. I would recommend this site for all programming freaks and math maniacs.



Written by fR0DDY

February 9, 2009 at 8:56 AM

Posted in Maths

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  1. primes/divisors/fact … wonderful explanations …


    July 7, 2009 at 8:42 PM

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