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 A244360 #14 Oct 20 2014 02:32:40 %S A244360 1,3,6,10,14,20,25,33,41,51,58,70,78,91,104,120,130,148,159,179,197, %T A244360 216,229,253,270,292,314,342 %N A244360 Total number of toothpicks after n-th stage in the toothpick structure of the symmetric representation of half sigma in the first octant (without the axis x and without the main diagonal). %C A244360 Partial sums of A244361. %F A244360 a(n) = A244362(n)/2 = A244370(n)/8. - _Omar E. Pol_, Oct 18 2014 %Y A244360 Cf. A000203, A237270, A237271, A237593, A244361, A244362, A244363, A244370, A244371. %K A244360 nonn,more %O A244360 1,2 %A A244360 _Omar E. Pol_, Jun 26 2014 %E A244360 More terms from _Omar E. Pol_, Oct 18 2014