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A031222 Position of n-th 2 in A031219. 0
2, 10, 15, 17, 19, 20, 21, 23, 30, 40, 53, 68, 76, 79, 82, 83, 85, 88, 98, 113, 120, 123, 126, 128, 129, 132, 135, 138, 141, 143, 144, 147, 150, 151, 153, 154, 156, 157, 158, 159, 160, 162, 163, 165, 168, 171, 173, 174, 177, 180 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..50.

CROSSREFS

Sequence in context: A233454 A065989 A299378 * A272041 A212160 A134861

Adjacent sequences:  A031219 A031220 A031221 * A031223 A031224 A031225

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 18 19:30 EDT 2021. Contains 347534 sequences. (Running on oeis4.)