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A136092 Bisection of A138540. 0
1, 1, 3, 15, 104, 909, 9449, 112398, 1489410, 21562086, 336086022, 5577242292, 97671172836, 1792348213025, 34268124834495, 679376016769260, 13911118850603610, 293220749128031010 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A001274 A139766 A003276 * A181131 A145624 A025547

Adjacent sequences:  A136089 A136090 A136091 * A136093 A136094 A136095

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mar 25 2008

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.