G.f.: A(x,y) = exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^5 * y^k] * x^n/n ) = Sum_{n>=0,k=0..n} T(n,k)*x^n*y^k, as a triangle of coefficients T(n,k) read by rows.

A218115

G.f.: A(x,y) = exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^5 * y^k] * x^n/n ) = Sum_{n>=0,k=0..n} T(n,k)*x^n*y^k, as a triangle of coefficients T(n,k) read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =17a(5) =1a(6) =1a(7) =98a(8) =98a(9) =1a(10) =1a(11) =354a(12) =2251a(13) =354a(14) =1a(15) =1a(16) =979a(17) =23803a(18) =23803a(19) =979a(20) =1a(21) =1a(22) =2275a(23) =158367a(24) =617036a(25) =158367a(26) =2275a(27) =1a(28) =1a(29) =4676

External references