G.f. A(x) satisfies: 1/A(x)^3 = Sum_{n>=0} (-1)^n * (1-7*n) * (-x)^(n*(n+1)/2).
A256182
G.f. A(x) satisfies: 1/A(x)^3 = Sum_{n>=0} (-1)^n * (1-7*n) * (-x)^(n*(n+1)/2).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =33a(4) =152a(5) =728a(6) =3590a(7) =18060a(8) =92152a(9) =475290a(10) =2471985a(11) =12943600a(12) =68150321a(13) =360491134a(14) =1914406344a(15) =10201142767a(16) =54518961054a(17) =292128744168
External references
- oeis: A256182