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 A078409 #6 Mar 30 2012 18:50:29 %S A078409 1,3,8,18,38,76,142,256,448,760,1260,2048,3264,5120,7917,12076,18200, %T A078409 27130,40026,58499,84756,121792,173682,245920,345856,483330,671418, %U A078409 927406,1274118,1741521,2368800,3207086,4322816,5802008,7755776 %N A078409 Number of ways to partition 4*n+1 into distinct positive integers. %F A078409 a(n) = t(4*n+1, 0), t as defined in A079211. %Y A078409 Bisection of A078408. Cf. A035294, A000009, A078410. %K A078409 nonn,easy %O A078409 0,2 %A A078409 _N. J. A. Sloane_, Dec 27 2002 %E A078409 More terms from _Reinhard Zumkeller_, Dec 28 2002