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A102461 Numbers n such that binomial(n,2) is in A027568. 1
1, 2, 5, 16, 56, 120 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A027568.

Sequence in context: A019988 A137732 A057973 * A176332 A191241 A052708

Adjacent sequences:  A102458 A102459 A102460 * A102462 A102463 A102464

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 06 2008

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.