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Search: id:A047019
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A047019 T(2n,n), array T given by A047010. +0
1
1, 1, 3, 15, 91, 521, 3165, 19723, 122915, 777871, 4960453, 31763531, 204603229, 1323059284, 8582389291, 55845106760, 364271278595, 2381222063123, 15596492535183, 102326544493192, 672373002896261, 4424149221222769 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A024339 A034954 A077783 this_sequence A099251 A006632 A020018

Adjacent sequences: A047016 A047017 A047018 this_sequence A047020 A047021 A047022

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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