A370154 Column 1 of triangle A370041.

1, 0, -3, 6, 6, -18, -4, 36, 11, -74, -30, 178, 40, -366, -42, 680, 79, -1264, -110, 2320, 75, -4070, -7, 6938, -96, -11650, 413, 19276, -1157, -31296, 2492, 49898, -4669, -78576, 8446, 122458, -15073, -188430, 25744, 286508, -42200, -431650, 68180, 644748, -108998, -954360, 170817

Offset

2,3

Comments

The g.f. of triangle A370041, G(x,y), satisfies Sum_{n=-oo..+oo} (x^n - y*G(x,y))^n = 1 - (y-2)*Sum_{n>=1} x^(n^2).

Links

Paul D. Hanna, Table of n, a(n) for n = 2..201

Formula

a(n) = A370041(n,1) for n >= 2.

Crossrefs

Cf. A370041, A370153, A370155.

Sequence in context: A364372 A036252 A103463 * A265026 A304335 A223048

Adjacent sequences: A370151 A370152 A370153 * A370155 A370156 A370157

Keyword

sign

Author

Paul D. Hanna, Feb 10 2024

Status

approved