A321325 - OEIS

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A321325

G.f. satisfies: A(x) = (1 + x) * Product_{k>0} A(x^(2*k)) / Product_{k>1} A(x^(2*k-1)).

2

1, 1, 1, 0, 1, 0, 0, -2, 2, 1, 2, -3, 1, -3, -1, -7, 8, 4, 9, -7, 7, -7, 0, -21, 15, 2, 18, -23, 8, -25, -1, -43, 46, 17, 58, -34, 40, -41, 9, -98, 79, 10, 100, -98, 40, -123, -2, -191, 176, 43, 237, -136, 144, -192, 30, -362, 277, 12, 373, -314, 131, -457, -9, -606

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OFFSET

0,8

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..10000

FORMULA

G.f.: Product_{k>0} (1 + x^k)^A067856(k).

Product_{k>0} A(x^k) = Product_{k>=0} (1 + x^(2^k))^(2^k). (Cf. A073707.)

CROSSREFS

Cf. A067856, A073707, A129373, A321326.

Sequence in context: A273110 A284155 A002345 * A233918 A071694 A365393

Adjacent sequences: A321322 A321323 A321324 * A321326 A321327 A321328

KEYWORD

sign

AUTHOR

Seiichi Manyama, Nov 05 2018

STATUS

approved