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A047048 T(n,n+3), array T as in A047040; T(n+3,n), array T given by A047050. 0
1, 4, 14, 48, 165, 586, 2114, 7694, 28173, 104370, 389751, 1463288, 5514820, 20894454, 79510118, 303570094, 1161991698, 4460728710, 17168879077, 66225380848, 255907081225, 990671100502, 3841609763148, 14919279265464 (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: A094667 A099376 A002057 * A071745 A071749 A071753

Adjacent sequences:  A047045 A047046 A047047 * A047049 A047050 A047051

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 19 15:01 EST 2018. Contains 299334 sequences. (Running on oeis4.)