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A091861
a(1) = 1; a(n) = smallest positive unpicked integer such that n-k divides evenly into a(n)*a(k) for every k, 1 <= k <= n-1.
0
1, 2, 4, 3, 12, 30, 60, 420, 840, 1260, 630, 27720, 4620, 60060, 30030, 120120, 240240, 2042040, 3063060, 232792560, 58198140, 38798760, 19399380, 446185740, 892371480, 2230928700, 4461857400, 40156716600, 20078358300, 582272390700
OFFSET
1,2
CROSSREFS
Sequence in context: A209048 A181327 A257503 * A200715 A297901 A079308
KEYWORD
nonn
AUTHOR
Leroy Quet, Mar 13 2004
EXTENSIONS
More terms from John W. Layman, May 18 2004
Further terms from Jon E. Schoenfield, Jun 21 2007
STATUS
approved