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A044160 Numbers n such that string 3,1 occurs in the base 7 representation of n but not of n-1. 0
22, 71, 120, 154, 169, 218, 267, 316, 365, 414, 463, 497, 512, 561, 610, 659, 708, 757, 806, 840, 855, 904, 953, 1002, 1051, 1078, 1149, 1183, 1198, 1247, 1296, 1345, 1394, 1443, 1492, 1526, 1541, 1590, 1639, 1688, 1737, 1786 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

Sequence in context: A041950 A114636 A334034 * A044541 A251286 A080861

Adjacent sequences:  A044157 A044158 A044159 * A044161 A044162 A044163

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 23 07:20 EST 2022. Contains 350507 sequences. (Running on oeis4.)