A063039 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A063039

LCM of unsigned Stirling numbers of the first kind, s(n,k) for 1 <= k <= n; s(n,k) = number of permutations of {1,2,..,n} with k cycles.

0

1, 1, 6, 66, 4200, 4192200, 5115600, 19083776176080, 10086416728304192640, 126556188275836361347200, 451535899566923284351392000, 1253032399528279799996000622278320876800

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

OFFSET

1,3

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

a(4) = lcm(s(4,1), s(4,2), s(4,3), s(4,4)) = lcm(6,11,6,1) = 66.

CROSSREFS

Sequence in context: A126459 A054969 A068966 * A082781 A257049 A099147

Adjacent sequences: A063036 A063037 A063038 * A063040 A063041 A063042

KEYWORD

nonn

AUTHOR

Leroy Quet, Aug 03 2001

STATUS

approved