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A047008 T(n,n+3), array T given by A047000. 0
1, 4, 14, 50, 180, 658, 2429, 9052, 33975, 128320, 487124, 1857362, 7108400, 27293280, 105090130, 405643176, 1569193041, 6082113750, 23615073305, 91834287660, 357631419474, 1394521107804, 5444070076494, 21275915138100 (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: A335921 A153367 A211304 * A047065 A055990 A211308

Adjacent sequences:  A047005 A047006 A047007 * A047009 A047010 A047011

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 25 22:55 EDT 2020. Contains 337346 sequences. (Running on oeis4.)