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Search: id:A011872
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A011872 [ n(n-1)/19 ]. +0
1
0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 4, 5, 6, 8, 9, 11, 12, 14, 16, 18, 20, 22, 24, 26, 29, 31, 34, 36, 39, 42, 45, 48, 52, 55, 59, 62, 66, 70, 74, 78, 82, 86, 90, 95, 99, 104, 108, 113, 118, 123, 128, 134, 139, 145, 150, 156 (list; graph; listen)
OFFSET

0,8
CROSSREFS

Sequence in context: A034139 A060620 A109968 this_sequence A056822 A062419 A061052

Adjacent sequences: A011869 A011870 A011871 this_sequence A011873 A011874 A011875

KEYWORD

nonn,easy

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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