Triangle T(n, k) = [x^k] p(n, x), where p(n, x) = (1/n)*(1-x)^(2*n) * Sum_{j >= 0} binomial(n+j-1, j) * j^n * x^(j-1).
A152260
Triangle T(n, k) = [x^k] p(n, x), where p(n, x) = (1/n)*(1-x)^(2*n) * Sum_{j >= 0} binomial(n+j-1, j) * j^n * x^(j-1).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =10a(5) =9a(6) =1a(7) =32a(8) =113a(9) =64a(10) =1a(11) =86a(12) =786a(13) =1526a(14) =625a(15) =1a(16) =212a(17) =4182a(18) =18932a(19) =24337a(20) =7776a(21) =1a(22) =498a(23) =19167a(24) =170332a(25) =477807a(26) =450066a(27) =117649a(28) =1a(29) =1136
External references
- oeis: A152260