A044423 Numbers n such that string 9,1 occurs in the base 10 representation of n but not of n-1.

91, 191, 291, 391, 491, 591, 691, 791, 891, 910, 991, 1091, 1191, 1291, 1391, 1491, 1591, 1691, 1791, 1891, 1910, 1991, 2091, 2191, 2291, 2391, 2491, 2591, 2691, 2791, 2891, 2910, 2991, 3091, 3191, 3291, 3391, 3491, 3591

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Crossrefs

Sequence in context: A063367 A064904 A352133 * A044804 A211443 A305761

Adjacent sequences: A044420 A044421 A044422 * A044424 A044425 A044426

Keyword

nonn,base

Author

Clark Kimberling

Status

approved