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Main diagonal of A292160.
2

%I #10 Sep 10 2017 15:02:38

%S 0,-1,-2,24,60,245,642,1365,2552,5094,-92010,-147752,-476940,-1083134,

%T -2645230,-5251515,-10399760,-18340246,-33854778,-56744526,-95736020,

%U 1650319440,2252563082,6443314668,13202694120,29698078100,55023636486,113357565936

%N Main diagonal of A292160.

%F A292161(n) + i*a(n) = [x^n] Product_{k>=0} (1 - n*i*x^k), where i is sqrt(-1).

%Y Cf. A292161.

%K sign

%O 0,3

%A _Seiichi Manyama_, Sep 10 2017