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A091303 Third diagonal of A008970 (after A000111 and A000708). 1
1, 14, 118, 926, 7311, 59982, 517496, 4717222, 45484301, 463683670, 4991117034, 56630860638, 676055834971, 8475491147678, 111376106002732, 1531384454297174, 21993657178539321, 329402210042157606 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A138431 A175874 A006223 * A023012 A073383 A022642

Adjacent sequences:  A091300 A091301 A091302 * A091304 A091305 A091306

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Feb 21 2004

EXTENSIONS

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Feb 28 2006

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Last modified February 17 14:19 EST 2012. Contains 206038 sequences.