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A071908 A002487(n)*A002487(n+1)*A002487(n+2). 0
0, 2, 2, 6, 6, 18, 6, 12, 12, 60, 30, 50, 30, 60, 12, 20, 20, 140, 84, 168, 120, 280, 70, 98, 70, 280, 120, 168, 84, 140, 20, 30, 30, 270, 180, 396, 308, 770, 210, 330, 264, 1144, 520, 780, 420, 756, 126, 162, 126, 756, 420, 780, 520, 1144, 264, 330, 210, 770, 308, 396, 180 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..60.

CROSSREFS

Sequence in context: A034422 A140833 A257389 * A011260 A117855 A086442

Adjacent sequences:  A071905 A071906 A071907 * A071909 A071910 A071911

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 13 2002

STATUS

approved

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Last modified November 28 20:40 EST 2020. Contains 338755 sequences. (Running on oeis4.)