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A026231 a(n) = n-th number k such that t(k) = s(k) - 1, where s = A026142, t = A026166. 1
8, 17, 20, 26, 35, 44, 47, 53, 56, 62, 71, 74, 80, 89, 98, 101, 107, 116, 125, 128, 134, 137, 143, 152, 155, 161, 164, 170, 179, 182, 188, 197, 206, 209, 215, 218, 224, 233, 236, 242, 251, 260, 263, 269, 278, 287, 290, 296, 299 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..49.

CROSSREFS

Sequence in context: A217433 A271626 A023700 * A088488 A031458 A044991

Adjacent sequences:  A026228 A026229 A026230 * A026232 A026233 A026234

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 25 04:45 EDT 2019. Contains 322451 sequences. (Running on oeis4.)