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A047033 T(n,n-1), array T as in A047030. 0
1, 1, 4, 14, 52, 195, 736, 2789, 10620, 40611, 155860, 600002, 2315912, 8959834, 34735000, 134903491, 524786380, 2044434535, 7975049436, 31146540719, 121774481668, 476576304999, 1866821827500, 7318739927465, 28714752439872 (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: A198279 A211307 A099486 * A017947 A244898 A244935

Adjacent sequences:  A047030 A047031 A047032 * A047034 A047035 A047036

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 4 02:36 EST 2021. Contains 349468 sequences. (Running on oeis4.)