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A026683 T(2n,n-1), T given by A026681. 0
1, 7, 26, 150, 561, 3181, 12101, 68514, 263959, 1496375, 5818228, 33039504, 129350028, 735726968, 2895663570, 16493980890, 65189381839, 371790856907, 1474431012804, 8418159673710, 33478067835325, 191320477252349, 762651878154895 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A349309 A262110 A319425 * A197053 A009375 A009380
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 13:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)