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Search: id:A051406
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A051406 (3^n+1)*(3^(n+1)+1)/8. +0
1
1, 5, 35, 287, 2501, 22265, 199655, 1794707, 16145801, 145292525, 1307573675, 11767985927, 105911341901, 953200482785, 8578799562095, 77209181709947, 694882592342801, 6253943201945045, 56285488430084915, 506569394708502767 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A084135 A138233 A002294 this_sequence A000356 A027392 A109253

Adjacent sequences: A051403 A051404 A051405 this_sequence A051407 A051408 A051409

KEYWORD

nonn

AUTHOR

clm

page 1

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

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