a(n) = 9^n * [x^n] Product_{k>=1} ((1 + 2*x^k)/(1 - 2*x^k))^(1/3).

A370750

a(n) = 9^n * [x^n] Product_{k>=1} ((1 + 2*x^k)/(1 - 2*x^k))^(1/3).

Terms

    a(0) =1a(1) =12a(2) =180a(3) =3852a(4) =50436a(5) =947052a(6) =14087844a(7) =245858652a(8) =3531115620a(9) =64019229660a(10) =950199749748

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