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A043720 a(n)=(1/2)*s(n), where s=A043544. 0
6, 8, 9, 12, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 33, 36, 39, 40, 42, 45, 48, 50, 51, 54, 56, 57, 60, 63, 64, 66, 69, 70, 72, 75, 78, 80, 81, 84, 87, 88, 90, 93, 96, 98, 99, 100, 102, 104, 105, 108, 110, 111, 112, 114, 117, 120, 123 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..57.

CROSSREFS

Sequence in context: A195101 A337381 A305704 * A191980 A304412 A161982

Adjacent sequences:  A043717 A043718 A043719 * A043721 A043722 A043723

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 21 02:12 EDT 2021. Contains 348140 sequences. (Running on oeis4.)