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A023418 Denominator of n*(n-3)*(3*n^2-6*n+2)/(3*(n-1)*(n-2)). 0
1, 9, 18, 5, 45, 63, 28, 54, 135, 55, 198, 117, 91, 315, 360, 68, 459, 513, 190, 315, 693, 253, 828, 450, 325, 1053, 1134, 203, 1305, 1395, 496, 792, 1683, 595, 1890, 999, 703, 2223, 2340, 410, 2583, 2709 (list; graph; refs; listen; history; internal format)
OFFSET

3,2

CROSSREFS

Sequence in context: A061748 A159510 A191675 * A069528 A109050 A103700

Adjacent sequences:  A023415 A023416 A023417 * A023419 A023420 A023421

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 05:15 EST 2012. Contains 205694 sequences.