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A044074 Numbers n such that string 3,1 occurs in the base 4 representation of n but not of n-1. 0
13, 29, 45, 52, 61, 77, 93, 109, 116, 125, 141, 157, 173, 180, 189, 205, 208, 237, 244, 253, 269, 285, 301, 308, 317, 333, 349, 365, 372, 381, 397, 413, 429, 436, 445, 461, 464, 493, 500, 509, 525, 541, 557, 564, 573, 589, 605 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

CROSSREFS

Sequence in context: A141293 A120827 A228069 * A044455 A082285 A243138

Adjacent sequences:  A044071 A044072 A044073 * A044075 A044076 A044077

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 20 17:47 EST 2018. Contains 297961 sequences.