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A120159 a(1)=15; a(n)=floor((47+sum(a(1) to a(n-1)))/3). 0
15, 20, 27, 36, 48, 64, 85, 114, 152, 202, 270, 360, 480, 640, 853, 1137, 1516, 2022, 2696, 3594, 4792, 6390, 8520, 11360, 15146, 20195, 26927, 35902, 47870, 63826, 85102, 113469, 151292, 201723, 268964, 358618, 478158, 637544, 850058, 1133411 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

CROSSREFS

Cf. A073941, A112088, A072493.

Sequence in context: A070222 A143321 A066860 * A163602 A074236 A086770

Adjacent sequences:  A120156 A120157 A120158 * A120160 A120161 A120162

KEYWORD

nonn

AUTHOR

Graeme McRae, Jun 10 2006

STATUS

approved

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Last modified July 13 05:18 EDT 2020. Contains 335673 sequences. (Running on oeis4.)