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Search: id:A026770
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A026770 T(2n,n), T given by A026769. +0
1
1, 2, 7, 28, 120, 538, 2493, 11854, 57558, 284392, 1426038, 7241356, 37173304, 192638992, 1006564439, 5297715628, 28061959428, 149491856978, 800425486692, 4305263668514, 23251846197766, 126044501870378, 685569373724964 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A150656 A150657 A150658 this_sequence A010683 A150659 A150660

Adjacent sequences: A026767 A026768 A026769 this_sequence A026771 A026772 A026773

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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