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 A321355 #9 Nov 07 2018 21:45:14
%S A321355 1,4,6,4,17,64,96,64,136,480,720,480,680,2240,3360,2240,2444,7536,
%T A321355 11304,7536,7276,21568,32352,21568,21080,62752,94128,62752,62968,
%U A321355 189120,283680,189120,178646,525464,788196,525464,454614,1292992,1939488,1292992,1085688,3049760
%N A321355 Expansion of Product_{k>=0} (1 + x^(4^k))^(4^(k+1)).
%C A321355 Also the coefficient of x^(4*n) in the expansion of Product_{k>=0} (1 + x^(4^k))^(4^k).
%e A321355 Product_{k>=0} (1 + x^(4^k))^(4^k) = 1 + x + 4*x^4 + 4*x^5 + 6*x^8 + 6*x^9 + 4*x^12 + 4*x^13 + 17*x^16 + 17*x^17 + 64*x^20 + 64*x^21 + 96*x^24 + 96*x^25 + ... .
%Y A321355 Cf. A073708, A321345, A321354, A321357.
%K A321355 nonn
%O A321355 0,2
%A A321355 _Seiichi Manyama_, Nov 07 2018