Self-convolution square-root of A062817 (offset 2); thus g.f. A(x) satisfies: A(x)^2 = Sum_{n>=2} A062817(n)*x^n, where A062817(n) = Sum_{k=0..n} (n-k)^k*k^(n-k).

A132608

Self-convolution square-root of A062817 (offset 2); thus g.f. A(x) satisfies: A(x)^2 = Sum_{n>=2} A062817(n)*x^n, where A062817(n) = Sum_{k=0..n} (n-k)^k*k^(n-k).

Terms

    a(0) =1a(1) =2a(2) =9a(3) =58a(4) =469a(5) =4530a(6) =50491a(7) =634790a(8) =8861043a(9) =135750454a(10) =2262315973a(11) =40726646802a(12) =787471241647

External references