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A044447 Numbers n such that string 1,1 occurs in the base 4 representation of n but not of n+1. 0
5, 23, 37, 53, 69, 95, 101, 117, 133, 151, 165, 181, 197, 215, 229, 245, 261, 279, 293, 309, 383, 389, 407, 421, 437, 453, 471, 485, 501, 517, 535, 549, 565, 581, 607, 613, 629, 645, 663, 677, 693, 709, 727, 741, 757, 773, 791 (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: A050906 A195974 A098421 * A242215 A061240 A243401

Adjacent sequences:  A044444 A044445 A044446 * A044448 A044449 A044450

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 30 17:12 EST 2021. Contains 349424 sequences. (Running on oeis4.)