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A072043 a(n+3) = a(n+2)*a(n+1)*a(n)*(1+1/n), a(1)=a(2)=a(3)=1. 0
1, 1, 1, 2, 3, 8, 60, 1728, 967680, 114661785600, 215698302044209000000, 26592225368515593301597083402240000000, 723457119656730571214801208759677424070060705650559470796800000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..13.

MATHEMATICA

a[1] = a[2] = a[3] = 1; a[n_] := a[n - 1]*a[n - 2]*a[n - 3]*(1 + 1/(n - 3)); Table[ a[n], {n, 1, 13}]

CROSSREFS

Sequence in context: A292893 A042365 A160634 * A095203 A003096 A042815

Adjacent sequences:  A072040 A072041 A072042 * A072044 A072045 A072046

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, Jul 29 2002

EXTENSIONS

Edited by Robert G. Wilson v, Jul 31 2002

STATUS

approved

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Last modified November 14 22:45 EST 2019. Contains 329135 sequences. (Running on oeis4.)