A105187 - OEIS

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A105187

a(n) = determinant of the n X n matrix m(i,j) = (i+j+2)!/i!/j!.

0

1, 24, 720, 28800, 1512000, 101606400, 8534937600, 877879296000, 108637562880000, 15933509222400000, 2734190182563840000, 542861032610856960000, 123500884918969958400000, 31920228717518389248000000, 9302466654819644866560000000, 3036325116133132084445184000000

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OFFSET

0,2

LINKS

Table of n, a(n) for n=0..15.

FORMULA

a(n) = (1/12)*(n+1)*(n+2)!*(n+3)!.

PROG

(PARI) a(n)=(1/12)*(n+1)*(n+2)!*(n+3)!

CROSSREFS

Sequence in context: A246192 A246612 A289635 * A062313 A239815 A279659

Adjacent sequences: A105184 A105185 A105186 * A105188 A105189 A105190

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Apr 11 2005

STATUS

approved