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Search: id:A012268
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A012268 Duplicate of A009655. +0
1
0, 0, 2, 6, 22, 100, 788, 8568, 103416, 1307808, 17722512, 264361680, 4373968080 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A012270 A009585 A012267 this_sequence A009655 A002772 A000140

Adjacent sequences: A012265 A012266 A012267 this_sequence A012269 A012270 A012271

KEYWORD

dead

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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