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A059731 Row sums in A059922. 1
1, 2, 4, 8, 20, 94, 2108, 695476, 120914640072, 102916053328656342226, 2647928508186688136206570909837012470132, 1011512706265078711983169811701795624935502997612381468564241675434874528 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..11.

CROSSREFS

Sequence in context: A241891 A112278 A309868 * A001315 A216643 A002040

Adjacent sequences:  A059728 A059729 A059730 * A059732 A059733 A059734

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 09 2001

STATUS

approved

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Last modified December 5 18:49 EST 2019. Contains 329768 sequences. (Running on oeis4.)