A043928 Numbers k such that 3 and 6 occur juxtaposed in the base-7 representation of k but not of k+1.

27, 45, 76, 94, 125, 143, 174, 195, 223, 241, 272, 290, 321, 339, 370, 388, 419, 437, 468, 486, 517, 538, 566, 584, 615, 633, 664, 682, 713, 731, 762, 780, 811, 829, 860, 881, 909, 927, 958, 976, 1007, 1025, 1056, 1074, 1105

Offset

1,1

Links

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

Crossrefs

Cf. A007093.

Sequence in context: A369979 A039325 A043148 * A275250 A223019 A059658

Adjacent sequences: A043925 A043926 A043927 * A043929 A043930 A043931

Keyword

nonn,base

Author

Clark Kimberling

Status

approved