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A031090 Position of n-th 2 in A031087. 0
2, 13, 28, 30, 31, 32, 34, 36, 38, 40, 42, 44, 49, 67, 85, 103, 121, 139, 159, 186, 208, 211, 213, 214, 217, 220, 223, 226, 229, 232, 240, 267, 294, 321, 348, 375, 398, 401, 402, 404, 407, 410, 413, 416, 419, 422, 425, 428, 429 (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: A018400 A091052 A294555 * A294556 A294559 A041017

Adjacent sequences:  A031087 A031088 A031089 * A031091 A031092 A031093

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified March 30 16:16 EDT 2020. Contains 333127 sequences. (Running on oeis4.)