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A031239 Position of n-th 3 in A031235. 0
3, 11, 21, 26, 28, 30, 31, 32, 34, 41, 54, 69, 84, 91, 94, 97, 99, 100, 103, 114, 129, 144, 159, 166, 169, 172, 174, 175, 178, 189, 197, 200, 203, 204, 206, 209, 212, 215, 218, 219, 221, 224, 227, 230, 233, 234, 236, 239, 241, 242 (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: A139221 A300381 A006876 * A088619 A031318 A082485

Adjacent sequences: A031236 A031237 A031238 * A031240 A031241 A031242

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 30 00:59 EST 2023. Contains 359939 sequences. (Running on oeis4.)