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A026522 T(n,n-2), T given by A026519. Also number of integer strings s(0),...,s(n), counted by T, such that s(n)=2. 0
1, 2, 5, 13, 27, 76, 150, 434, 845, 2470, 4797, 14085, 27377, 80584, 156900, 462620, 902394, 2664276, 5205950, 15387670, 30114073, 89097932, 174609162, 517058502, 1014555607, 3006637946, 5906040623, 17514547015, 34438443075 (list; graph; refs; listen; history; internal format)
OFFSET

2,2

CROSSREFS

Sequence in context: A087250 A065301 A126656 * A193044 A122491 A002559

Adjacent sequences:  A026519 A026520 A026521 * A026523 A026524 A026525

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 17 11:15 EST 2012. Contains 206010 sequences.