A043926 Numbers k such that 3 and 4 occur juxtaposed in the base-7 representation of k but not of k+1.

25, 31, 74, 80, 123, 129, 172, 181, 223, 227, 270, 276, 319, 325, 368, 374, 417, 423, 466, 472, 515, 524, 566, 570, 613, 619, 662, 668, 711, 717, 760, 766, 809, 815, 858, 867, 909, 913, 956, 962, 1005, 1011, 1054, 1060, 1103

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Crossrefs

Cf. A007093.

Sequence in context: A198003 A039323 A043146 * A202000 A118669 A092100

Adjacent sequences: A043923 A043924 A043925 * A043927 A043928 A043929

Keyword

nonn,base

Author

Clark Kimberling

Status

approved