A043178 Numbers k such that 5 and 7 occur juxtaposed in the base-8 representation of k but not of k-1.

47, 61, 111, 125, 175, 189, 239, 253, 303, 317, 367, 376, 431, 445, 488, 509, 559, 573, 623, 637, 687, 701, 751, 765, 815, 829, 879, 888, 943, 957, 1000, 1021, 1071, 1085, 1135, 1149, 1199, 1213, 1263, 1277, 1327, 1341, 1391

Offset

1,1

Links

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

Crossrefs

Cf. A007094.

Sequence in context: A354442 A354461 A039355 * A043958 A099591 A046048

Adjacent sequences: A043175 A043176 A043177 * A043179 A043180 A043181

Keyword

nonn,base

Author

Clark Kimberling

Status

approved