Expansion of 1/( 1 - 9 * Sum_{k>=0} x^(3^k) / (1 - x^(3^k)) )^(1/3).

A382369

Expansion of 1/( 1 - 9 * Sum_{k>=0} x^(3^k) / (1 - x^(3^k)) )^(1/3).

Terms

    a(0) =1a(1) =3a(2) =21a(3) =168a(4) =1416a(5) =12396a(6) =111219a(7) =1015221a(8) =9386643a(9) =87650775a(10) =824926152a(11) =7813623234a(12) =74403686022a(13) =711670543635

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