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Search: id:A026638
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A026638 T(2n,n), T given by A026637. +0
1
1, 2, 8, 26, 92, 332, 1220, 4538, 17036, 64412, 244928, 935684, 3588392, 13806704, 53271548, 206040506, 798600332, 3101109164, 12062148368, 46986821516, 183276382472, 715748620424, 2798274135368, 10951009023716 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A128634 A053956 A052543 this_sequence A067855 A129368 A128238

Adjacent sequences: A026635 A026636 A026637 this_sequence A026639 A026640 A026641

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

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