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Search: id:A026151
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A026151 a(n) = T(n,n), where T is the array in A026148. +0
1
2, 4, 12, 32, 89, 246, 685, 1912, 5355, 15038, 42339, 119484, 337935, 957738, 2719539, 7736208, 22044444, 62916696, 17981270, 514793944, 1475586687, 4234989242, 12169352003, 35009302296, 100826681530, 290683486132, 838873595124 (list; graph; listen)
OFFSET

2,1
CROSSREFS

First differences of A026325.

Sequence in context: A109388 A028860 A152035 this_sequence A025178 A087211 A161177

Adjacent sequences: A026148 A026149 A026150 this_sequence A026152 A026153 A026154

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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