A091038 Second column (k=6) of array A090216 ((5,5)-Stirling2) divided by 5*5! = 600.

1, 840, 619200, 447552000, 322444800000, 232185139200000, 167176286208000000, 120367284387840000000, 86664487757414400000000, 62398436345118720000000000, 44926874787659120640000000000

Offset

2,2

Links

Table of n, a(n) for n=2..12.

Index entries for linear recurrences with constant coefficients, signature (840, -86400).

Formula

a(n) = A090216(n, 6)/(5*5!) = (5!^(n-2))*(6^(n-1)-1)/5, n>=2.

G.f.: (x^2)/((1-6!*x)*(1-5!*x)) = (x/(5*5!))*(1/(1-6!*x)-1/(1-5!*x)).

Crossrefs

Cf. A090216, A091037 (second column of (4, 4)-Stirling2 array divided by 96).

Sequence in context: A091035 A181203 A091036 * A121498 A331650 A331652

Adjacent sequences: A091035 A091036 A091037 * A091039 A091040 A091041

Keyword

nonn,easy

Author

Wolfdieter Lang, Jan 23 2004

Status

approved