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Search: id:A098980
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A098980 Duplicate of A007647. +0
1
1, 3, 9, 21, 363, 2161, 4839, 49521, 105994 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A067645 A101474 A007647 this_sequence A063586 A131477 A002128

Adjacent sequences: A098977 A098978 A098979 this_sequence A098981 A098982 A098983

KEYWORD

dead

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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