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Search: id:A026672
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A026672 T(2n,n-1), T given by A026670. Also T(2n,n-1)=T(2n+1,n+2), T given by A026725; and T(2n,n-1), T given by A026736. +0
1
1, 5, 22, 94, 398, 1680, 7085, 29877, 126021, 531751, 2244627, 9478605, 40040183, 169193597, 715143046, 3023492646, 12785541850, 54076955716, 228759017624, 967850695362, 4095387893312, 17331318506030 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A127617 A095932 A000346 this_sequence A049652 A026877 A128746

Adjacent sequences: A026669 A026670 A026671 this_sequence A026673 A026674 A026675

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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