G.f. satisfies A^3 = BINOMIAL(A)^2, where A = A090351^2.
A090352
G.f. satisfies A^3 = BINOMIAL(A)^2, where A = A090351^2.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =36a(4) =255a(5) =2370a(6) =27713a(7) =393352a(8) =6582068a(9) =126888632a(10) =2767912036a(11) =67362737168
External references
- oeis: A090352