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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

FORMULA

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

PROG

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

CROSSREFS

Cf. A001286.

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

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Last modified December 8 07:08 EST 2022. Contains 358673 sequences. (Running on oeis4.)