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 A374627 Expansion of Product_{k>=0} 1 / (1 - x^(3^k))^3. 0
 1, 3, 6, 13, 24, 39, 64, 99, 144, 212, 303, 417, 578, 786, 1041, 1382, 1809, 2322, 2985, 3798, 4761, 5973, 7434, 9144, 11247, 13743, 16632, 20126, 24225, 28929, 34541, 41061, 48489, 57242, 67320, 78723, 92029, 107238, 124350, 144151, 166641, 191820, 220729, 253368, 289737, 331218, 377811 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..46. FORMULA G.f. A(x) satisfies A(x) = A(x^3)/(1 - x)^3. PROG (PARI) my(N=50, x='x+O('x^N)); Vec(1/prod(k=0, logint(N, 3), 1-x^3^k)^3) CROSSREFS Cf. A062051, A171238, A309677. Sequence in context: A002799 A285263 A162426 * A058554 A342646 A342853 Adjacent sequences: A374624 A374625 A374626 * A374628 A374629 A374630 KEYWORD nonn AUTHOR Seiichi Manyama, Jul 14 2024 STATUS approved

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Last modified August 13 02:28 EDT 2024. Contains 375113 sequences. (Running on oeis4.)