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A047088 a(n) = A047080(2n+1,n+2). 3
1, 4, 12, 37, 118, 380, 1229, 3989, 12987, 42394, 138709, 454768, 1493690, 4913969, 16189534, 53407853, 176397299, 583242159, 1930349545, 6394665589, 21201345460, 70346920007, 233581374587, 776105485336, 2580316142887, 8583746045611, 28570407158100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..27.

CROSSREFS

Cf. A047080, A047085, A047086, A047087.

Sequence in context: A019481 A019480 A192907 * A280891 A149319 A149320

Adjacent sequences:  A047085 A047086 A047087 * A047089 A047090 A047091

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

Corrected and extended by Sean A. Irvine, May 11 2021

STATUS

approved

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Last modified May 18 10:09 EDT 2022. Contains 353807 sequences. (Running on oeis4.)