A043890 Numbers k such that 1 and 2 occur juxtaposed in the base-5 representation of k but not of k+1.

7, 11, 32, 39, 59, 61, 82, 86, 107, 111, 132, 136, 157, 164, 199, 207, 211, 232, 236, 257, 261, 299, 309, 311, 332, 336, 357, 361, 382, 386, 407, 414, 434, 436, 457, 461, 482, 486, 507, 511, 532, 539, 559, 561, 582, 586, 607, 611

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Crossrefs

Cf. A007091.

Sequence in context: A228029 A053711 A043110 * A132355 A241573 A215442

Adjacent sequences: A043887 A043888 A043889 * A043891 A043892 A043893

Keyword

nonn,base

Author

Clark Kimberling

Status

approved