%I #12 Aug 20 2017 09:23:10
%S 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
%T 16,17,19,22,26,31,37,44,52,61,71,82,94,107,121,136,152,169,188,210,
%U 236,267,304,348,400,461,532,614,708,815,936,1072,1224,1393,1581
%N Expansion of 1/(1  x/(1  x^16/(1  x^81/(1  x^256/(1  x^625/(1  x^1296/(1  ...  x^(n^4)/(1  ...)))))))), a continued fraction.
%Y Column k=4 of A290771.
%K nonn
%O 0,18
%A _Seiichi Manyama_, Aug 19 2017
