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A102864 Leading column of A102416. 1
2, 2, 4, 16, 28, 56, 108, 216, 424, 848, 1684, 3368, 6712, 13424, 26808, 53616, 107152, 214304, 428460, 856920, 1713544, 3427088 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..21.

CROSSREFS

Sequence in context: A106241 A153991 A153994 * A153997 A154000 A154003

Adjacent sequences:  A102861 A102862 A102863 * A102865 A102866 A102867

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 17 2005

STATUS

approved

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Last modified December 4 05:11 EST 2016. Contains 278748 sequences.