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A156168 A bisection of A002437. 1
1, 305, 6815585, 1077270776465, 626055764653322945, 968553361387420436695025, 3286322019402928956112227932705, 21485762937086358457367440231243675985, 246710262382186399710713892753099905250964865, 4640407584638100957359112105517273132340130164039345 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A172228 A160577 A058828 * A005951 A206271 A158589

Adjacent sequences:  A156165 A156166 A156167 * A156169 A156170 A156171

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 06 2009

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Last modified February 14 01:35 EST 2012. Contains 205567 sequences.