A152288 Column 2 of triangle A152285.

1, 9, -216, 18000, -3132000, 947268000, -449832700800, 313670692339200, -306034926037344000, 402666385581228384000, -693932667888980431296000, 1529506517449730848060032000, -4227080067966600334887965568000

Offset

0,2

Comments

G.f. of row n of matrix power A152285^n = (n^3 + y)*y^(n-1) for n>=0.

Links

Table of n, a(n) for n=0..12.

Formula

a(n) is divisible by binomial(n+2,2)^2 for n>=0, resulting in:

[1,1,-6,180,-13920,2148000,-573766200,242029855200,...].

Crossrefs

Cf. A152285; columns: A152286, A152287; A152289.

Sequence in context: A061718 A085741 A211044 * A179153 A197669 A368632

Adjacent sequences: A152285 A152286 A152287 * A152289 A152290 A152291

Keyword

sign

Author

Paul D. Hanna, Dec 09 2008

Status

approved