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A019437 a(n) = a(n-1)!/a(n-2)!; a(0) = 1, a(1) = 3. 1
1, 3, 6, 120, 9290976268679343135539052852903295259378814351580596958743987989307824385062448596342880785099979140705774497073908459100742234151955724805414557103318958341618000723968000000000000000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..4.

CROSSREFS

Sequence in context: A074880 A225884 A115647 * A291982 A309258 A163423

Adjacent sequences:  A019434 A019435 A019436 * A019438 A019439 A019440

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 21 2001

STATUS

approved

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Last modified April 16 04:49 EDT 2021. Contains 343030 sequences. (Running on oeis4.)