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A047118 T(n,n+3), array T as in A047110. 0
1, 4, 14, 53, 195, 711, 2662, 9973, 37367, 141472, 537422, 2045224, 7821958, 30001955, 115296650, 444336395, 1716137440, 6639137474, 25732460158, 99897347527, 388339939659, 1511670332538, 5891647475819, 22987227251180 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..23.

CROSSREFS

Sequence in context: A125783 A090319 A295518 * A017948 A214998 A112872

Adjacent sequences:  A047115 A047116 A047117 * A047119 A047120 A047121

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 23 21:27 EDT 2021. Contains 348217 sequences. (Running on oeis4.)