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A011899 [ n(n-1)(n-2)/17 ]. 0
0, 0, 0, 0, 1, 3, 7, 12, 19, 29, 42, 58, 77, 100, 128, 160, 197, 240, 288, 342, 402, 469, 543, 625, 714, 811, 917, 1032, 1156, 1289, 1432, 1586, 1750, 1925, 2112, 2310, 2520, 2742, 2977, 3225, 3487, 3762, 4051 (list; graph; refs; listen; history; internal format)
OFFSET

0,6

CROSSREFS

Sequence in context: A025742 A122793 A039677 * A002498 A172115 A091369

Adjacent sequences:  A011896 A011897 A011898 * A011900 A011901 A011902

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 20:12 EST 2012. Contains 205962 sequences.