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A043958 Numbers k such that 5 and 7 occur juxtaposed in the base-8 representation of k but not of k+1. 0
47, 61, 111, 125, 175, 189, 239, 253, 303, 317, 367, 383, 431, 445, 495, 509, 559, 573, 623, 637, 687, 701, 751, 765, 815, 829, 879, 895, 943, 957, 1007, 1021, 1071, 1085, 1135, 1149, 1199, 1213, 1263, 1277, 1327, 1341, 1391 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..43.

CROSSREFS

Cf. A007094.

Sequence in context: A126980 A039355 A043178 * A099591 A046048 A163390

Adjacent sequences:  A043955 A043956 A043957 * A043959 A043960 A043961

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 5 17:28 EST 2021. Contains 349557 sequences. (Running on oeis4.)