A026253 - OEIS

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A026253

a(n) = (1/2)*s(n), where s(n) is the n-th even number in A026250. Also a(n) = position of n in A026253.

1

3, 5, 1, 10, 2, 15, 17, 20, 22, 4, 27, 29, 32, 34, 6, 39, 7, 44, 46, 8, 51, 9, 56, 58, 61, 63, 11, 68, 12, 73, 75, 13, 80, 14, 85, 87, 90, 92, 16, 97, 99, 102, 104, 18, 109, 19, 114, 116, 119, 121, 21, 126, 128, 131, 133, 23, 138, 24, 143, 145

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..60.

CROSSREFS

Sequence in context: A112752 A101035 A204029 * A259182 A138259 A077021

Adjacent sequences: A026250 A026251 A026252 * A026254 A026255 A026256

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved