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A138462 A bisection of A006318. 1
1, 6, 90, 1806, 41586, 1037718, 27297738, 745387038, 20927156706, 600318853926, 17518619320890, 518431875418926 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A091800 A037959 A006480 * A002896 A004996 A001499

Adjacent sequences:  A138459 A138460 A138461 * A138463 A138464 A138465

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 08 2008

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Last modified February 16 10:43 EST 2012. Contains 205904 sequences.