A047048 T(n,n+3), array T as in A047040; T(n+3,n), array T given by A047050.

1, 4, 14, 48, 165, 586, 2114, 7694, 28173, 104370, 389751, 1463288, 5514820, 20894454, 79510118, 303570094, 1161991698, 4460728710, 17168879077, 66225380848, 255907081225, 990671100502, 3841609763148, 14919279265464

Offset

0,2

Links

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

Crossrefs

Sequence in context: A370051 A099376 A002057 * A071745 A071749 A071753

Adjacent sequences: A047045 A047046 A047047 * A047049 A047050 A047051

Keyword

nonn

Author

Clark Kimberling

Status

approved