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A024562 a(n) = integer nearest a(n-1)/(sqrt(6) - 2), where a(0) = 1. 1
1, 2, 4, 9, 20, 44, 98, 218, 485, 1079, 2400, 5339, 11878, 26426, 58791, 130795, 290986, 647370, 1440233, 3204151, 7128419, 15858914, 35282038, 78493533, 174628085, 388502937, 864319917, 1922891303, 4277942565, 9517330782, 21173632847 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Clark Kimberling, Table of n, a(n) for n = 0..1000

MATHEMATICA

With[{c = Sqrt[6] - 2}, NestList[Round[#/c] &, 1, 40]] (* From Harvey P.Dale, Feb 24 2011 *)

CROSSREFS

Sequence in context: A141016 A008998 A024736 * A087219 A214952 A199296

Adjacent sequences:  A024559 A024560 A024561 * A024563 A024564 A024565

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 21 21:14 EDT 2019. Contains 325199 sequences. (Running on oeis4.)