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A105188
a(n) = determinant of the n X n matrix m(i,j)=(i+j+3)!/i!/j!.
0
1, 120, 21600, 6048000, 2540160000, 1536288768000, 1290482565120000, 1460088845107200000, 2168231934984192000000, 4134095556036526080000000, 9931751163822150254592000000, 29578560738801240212766720000000
OFFSET
0,2
FORMULA
a(n)=(1/288)*(n+1)*(n+2)!*(n+3)!*(n+4)!
PROG
(PARI) a(n)=(1/288)*(n+1)*(n+2)!*(n+3)!*(n+4)!
CROSSREFS
Cf. A001286.
Sequence in context: A363516 A289566 A229693 * A264957 A270604 A151604
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Apr 11 2005
STATUS
approved