A089276 Coefficient triangle of polynomials used for numerator of g.f.s for column sequences of array A078739.

1, 1, 8, 1, 48, 180, 1, 160, 3204, 8064, 1, 400, 24972, 311328, 604800, 1, 840, 125468, 4654656, 42454080, 68428800, 1, 1568, 476728, 40968960, 1073980368, 7803233280, 10897286400, 1, 2688, 1490328, 254542720, 15076235088, 306406471680

Offset: 1

Author

Wolfdieter Lang, Nov 07 2003

Keywords

• nonn
• easy
• tabl

Comments

The polynomials are po(n,x) := sum(a(n,m)*x^m,m=0..n-1). Companion polynomials are pe(n,x) := sum(b(n,m)*x^m,m=0..n-1) with b(n,m) := A089275(n,m), n>=1, po(1,x) = 1 = pe(1,x).

For the recursion relation of these polynomials and the triangles see A089275.