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A120139 a(1)=11; a(n)=floor((23+sum(a(1) to a(n-1)))/2). 0
11, 17, 25, 38, 57, 85, 128, 192, 288, 432, 648, 972, 1458, 2187, 3280, 4920, 7380, 11070, 16605, 24908, 37362, 56043, 84064, 126096, 189144, 283716, 425574, 638361, 957542, 1436313, 2154469, 3231704, 4847556, 7271334, 10907001, 16360501 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..36.

CROSSREFS

Cf. A073941, A112088, A072493.

Sequence in context: A136342 A126609 A079367 * A191061 A110055 A240095

Adjacent sequences:  A120136 A120137 A120138 * A120140 A120141 A120142

KEYWORD

nonn

AUTHOR

Graeme McRae, Jun 10 2006

STATUS

approved

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Last modified July 13 04:53 EDT 2020. Contains 335673 sequences. (Running on oeis4.)