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A026651 a(n) = T(2n,n-2), T given by A026648. 0
1, 9, 40, 240, 915, 5103, 18704, 101952, 368490, 1990890, 7154928, 38514528, 138086403, 742202055, 2658662560, 14283407616, 51156225342, 274842096462, 984532674800, 5291030979360, 18960255044654, 101937273452454, 365451691152864 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
LINKS
CROSSREFS
Sequence in context: A243718 A086349 A359724 * A129799 A357552 A093816
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)