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A024738 a(n) = s(n+3)/3, where s is A024737. 0
1, 3, 9, 28, 87, 270, 838, 2682, 8568, 27325, 87087, 284679, 928180, 3019131, 9813285, 32550310, 107699892, 355521969, 1172334682, 3930469221, 13143936366, 43850286550, 146151275976, 493751421315, 1664336859031, 5598215552781, 18810575926047 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

CROSSREFS

Sequence in context: A084084 A091140 A052541 * A263841 A052939 A225114

Adjacent sequences:  A024735 A024736 A024737 * A024739 A024740 A024741

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 18 05:32 EDT 2019. Contains 327165 sequences. (Running on oeis4.)