Expansion of g.f. A(x,y) satisfying x*y = Sum_{n=-oo..+oo} x^(n*(3*n+1)/2) * (A(x,y)^(3*n) - 1/A(x,y)^(3*n+1)), as a triangle read by rows.
A361550
Expansion of g.f. A(x,y) satisfying x*y = Sum_{n=-oo..+oo} x^(n*(3*n+1)/2) * (A(x,y)^(3*n) - 1/A(x,y)^(3*n+1)), as a triangle read by rows.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =5a(5) =1a(6) =0a(7) =18a(8) =10a(9) =1a(10) =0a(11) =55a(12) =61a(13) =20a(14) =1a(15) =0a(16) =149a(17) =290a(18) =215a(19) =35a(20) =1a(21) =0a(22) =371a(23) =1172a(24) =1660a(25) =555a(26) =56a(27) =1a(28) =0a(29) =867
External references
- oeis: A361550