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A047043 T(n,n-1), array T as in A047040; T(n-1,n), array T given by A047050. 0
1, 1, 2, 10, 14, 56, 202, 715, 3244, 12945, 49742, 188306, 758110, 2995837, 11692368, 45296460, 178695558, 703699430, 2760976698, 10798499630, 42480767744, 167242631953, 657890399440, 2585002312353, 10177799881606 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..25.

CROSSREFS

Sequence in context: A217681 A102340 A293931 * A244268 A233454 A065989

Adjacent sequences:  A047040 A047041 A047042 * A047044 A047045 A047046

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 19 17:58 EDT 2021. Contains 345144 sequences. (Running on oeis4.)