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A044440 Numbers n such that string 2,1 occurs in the base 3 representation of n but not of n+1. 0
7, 16, 23, 25, 34, 43, 50, 52, 61, 71, 77, 79, 88, 97, 104, 106, 115, 124, 131, 133, 142, 152, 158, 160, 169, 178, 185, 187, 215, 223, 233, 239, 241, 250, 259, 266, 268, 277, 286, 293, 295, 304, 314, 320, 322, 331, 340, 347, 349 (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: A242917 A044059 A287369 * A114556 A136772 A190371

Adjacent sequences:  A044437 A044438 A044439 * A044441 A044442 A044443

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 20 19:53 EST 2020. Contains 331096 sequences. (Running on oeis4.)