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Search: id:A026153
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A026153 T(n,n-2), where T is the array in A026148. +0
1
1, 2, 7, 20, 60, 176, 517, 1512, 4415, 12870, 37477, 109044, 317109, 921870, 2679510, 7787904, 22636503, 65804638, 191332945, 556456060, 1618813834, 4710869108, 13713658368, 39935698400, 116340344575, 339050396646, 988474306017 (list; graph; listen)
OFFSET

2,2
CROSSREFS

First differences of A026327.

Sequence in context: A007460 A034899 A026124 this_sequence A025180 A116950 A111017

Adjacent sequences: A026150 A026151 A026152 this_sequence A026154 A026155 A026156

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.

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