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A031021 Position of n-th 2 in A031018. 0
7, 12, 14, 16, 21, 35, 51, 68, 71, 72, 74, 77, 93, 114, 121, 124, 127, 130, 133, 135, 136, 139, 142, 143, 145, 146, 148, 149, 151, 154, 156, 157, 160, 163, 166, 169, 172, 175, 177, 178, 181, 184, 187, 190, 198, 215, 218, 219, 221 (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: A061120 A078835 A173417 * A153245 A317670 A062730

Adjacent sequences:  A031018 A031019 A031020 * A031022 A031023 A031024

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 12 19:41 EST 2019. Contains 329078 sequences. (Running on oeis4.)