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A026251 a(n) = |s(n) - n|, where s = A026250. Also a(n) = 2*t(n), where t = A026249. 0
2, 4, 2, 6, 8, 4, 10, 12, 14, 6, 16, 18, 8, 20, 22, 24, 10, 26, 28, 12, 30, 32, 14, 34, 36, 38, 16, 40, 42, 18, 44, 46, 48, 20, 50, 52, 22, 54, 56, 24, 58, 60, 62, 26, 64, 66, 28, 68, 70, 72, 30, 74, 76, 32, 78, 80, 82, 34, 84, 86, 36, 88, 90 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..63.

CROSSREFS

Sequence in context: A303347 A325971 A250222 * A205721 A085190 A285702

Adjacent sequences:  A026248 A026249 A026250 * A026252 A026253 A026254

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 12 17:59 EDT 2021. Contains 343829 sequences. (Running on oeis4.)