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A362159
Expansion of e.g.f. -exp(x * (1-9*x)^(1/3)).
2
-1, -1, 5, 71, 1223, 34619, 1350629, 65717315, 3812715311, 256504939703, 19615931258309, 1679703910478879, 159161100818585975, 16530378160682622131, 1867052905777649782373, 227820142193907368696219, 29863924388750996422840799, 4185177460305652712999777135
OFFSET
0,3
FORMULA
a(n) = - n! * Sum_{k=0..n} (-9)^k * binomial((n-k)/3,k)/(n-k)!.
PROG
(PARI) my(N=20, x='x+O('x^N)); Vec(serlaplace(-exp(x*(1-9*x)^(1/3))))
CROSSREFS
Cf. A362157.
Sequence in context: A064752 A033507 A092250 * A371326 A349471 A347989
KEYWORD
sign,easy
AUTHOR
Seiichi Manyama, Apr 10 2023
STATUS
approved