A292464 - OEIS

%I #14 Sep 17 2017 22:12:49

%S 1,1,2,1,1,1,5,5,4,4,4,10,13,13,13,20,37,37,29,40,65,72,74,89,125,178,

%T 196,200,234,325,410,394,421,617,772,829,905,1125,1445,1625,1700,2045,

%U 2650,3077,3293,3698,4658,5540,5941,6605,7880,9553,10817,11785,13625

%N a(n) = A292136(n)^2 + A292137(n)^2.

%H Seiichi Manyama, <a href="/A292464/b292464.txt">Table of n, a(n) for n = 0..1000</a>

%F a(n) = A292136(n)^2 + A292138(n)^2.

%F a(n) = (A278401(n)^2 + A278402(n)^2)/2.

%t Abs[CoefficientList[Series[1/QPochhammer[I*x, x], {x, 0, 100}], x]]^2 (* _Vaclav Kotesovec_, Sep 17 2017 *)

%Y Cf. A278401, A278402, A278420, A292136, A292137, A292138.

%K nonn

%O 0,3

%A _Seiichi Manyama_, Sep 17 2017