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A363777
Expansion of 1/(Sum_{k>=0} x^(k^3))^3.
1
1, -3, 6, -10, 15, -21, 28, -36, 42, -43, 36, -18, -14, 63, -132, 224, -336, 459, -578, 672, -714, 671, -504, 168, 378, -1161, 2184, -3419, 4794, -6183, 7396, -8169, 8169, -7014, 4308, 321, -7156, 16311, -27636, 40607, -54222, 66924, -76572, 80451, -75372, 57883
OFFSET
0,2
FORMULA
a(0) = 1; a(n) = -(3/n) * Sum_{k=1..n} A363783(k) * a(n-k).
PROG
(PARI) my(N=50, x='x+O('x^N)); Vec(1/sum(k=0, N^(1/3), x^k^3)^3)
CROSSREFS
Convolution inverse of A051343.
Column k=3 of A363779.
Cf. A363783.
Sequence in context: A067525 A130487 A231684 * A108923 A033441 A338334
KEYWORD
sign,easy
AUTHOR
Seiichi Manyama, Jun 21 2023
STATUS
approved