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A284568
a(n) = n! / A284567(n).
2
1, 1, 1, 1, 1, 1, 36, 36, 576, 576, 57600, 57600, 57600, 57600, 2822400, 25401600, 25401600, 25401600, 8230118400, 8230118400, 3292047360000, 3292047360000, 398337730560000, 398337730560000, 14340158300160000, 14340158300160000, 2423486752727040000, 2423486752727040000, 1900013614137999360000, 1900013614137999360000
OFFSET
0,7
LINKS
FORMULA
a(n) = A000142(n) / A284567(n) = n! / A284567(n).
PROG
(Scheme) (define (A284568 n) (/ (A000142 n) (A284567 n)))
CROSSREFS
Sequence in context: A372712 A081445 A081449 * A165857 A218052 A098079
KEYWORD
nonn
AUTHOR
Antti Karttunen, Apr 12 2017
STATUS
approved