A043973 Numbers k such that 1 and 7 occur juxtaposed in the base-9 representation of k but not of k+1.

16, 64, 97, 152, 178, 226, 259, 307, 340, 388, 421, 469, 502, 550, 584, 631, 664, 712, 745, 793, 826, 881, 907, 955, 988, 1036, 1069, 1117, 1150, 1198, 1231, 1279, 1376, 1393, 1441, 1474, 1522, 1555, 1610, 1636, 1684, 1717

Offset

1,1

Links

Table of n, a(n) for n=1..42.

Crossrefs

Cf. A007095.

Sequence in context: A304476 A129588 A043193 * A153262 A316301 A072128

Adjacent sequences: A043970 A043971 A043972 * A043974 A043975 A043976

Keyword

nonn,base

Author

Clark Kimberling

Status

approved