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A026259 a(n) = (1/2)*s(n), where s(n) is the n-th even number in A026255. 1
1, 2, 3, 7, 4, 8, 9, 5, 6, 13, 14, 15, 10, 20, 11, 21, 22, 12, 26, 27, 28, 16, 17, 33, 18, 34, 35, 19, 39, 40, 41, 23, 24, 46, 25, 47, 52, 53, 54, 29, 30, 31, 59, 32, 60, 65, 66, 67, 36, 37, 38, 72, 73, 78, 42, 79, 80, 43, 44, 45, 85, 86, 48 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

CROSSREFS

Sequence in context: A195795 A143528 A118810 * A168087 A168085 A287950

Adjacent sequences:  A026256 A026257 A026258 * A026260 A026261 A026262

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 30 03:02 EDT 2022. Contains 357095 sequences. (Running on oeis4.)