Array read by ascending antidiagonals: A(n, k) = n! * [x^n] exp((k-1)*x)*(k*cosh(sqrt(k)*x) + sqrt(k)*sinh(sqrt(k)*x))/k, with 1 <= k <= n.

A366858

Array read by ascending antidiagonals: A(n, k) = n! * [x^n] exp((k-1)*x)*(k*cosh(sqrt(k)*x) + sqrt(k)*sinh(sqrt(k)*x))/k, with 1 <= k <= n.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =1a(4) =5a(5) =3a(6) =1a(7) =12a(8) =11a(9) =4a(10) =1a(11) =29a(12) =41a(13) =19a(14) =5a(15) =1a(16) =70a(17) =153a(18) =94a(19) =29a(20) =6a(21) =1a(22) =169a(23) =571a(24) =469a(25) =177a(26) =41a(27) =7a(28) =1a(29) =408

External references