This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A160795 #5 Mar 30 2012 17:34:00 %S A160795 1,1,3,2,6,4,11,7,18,12,29,20,42,33,59,54,78,88,101,143,130,232,161, %T A160795 376,198,609,239,986,282,1596,329,2583,382,4180,441,6764,502,10945, %U A160795 569,17710,640,28656,713,46367,792,75024,875,121392,964,196417,1061,317810,1162,514228,1265,832039,1372 %N A160795 First differences of A160794. %C A160795 Length of the n-th edge of a square spiral related to Fibonacci numbers and prime numbers. %Y A160795 Cf. A000040, A000045, A160791, A160793, A160794. %K A160795 easy,nonn %O A160795 1,3 %A A160795 _Omar E. Pol_, May 29 2009