A044790 Numbers n such that string 7,7 occurs in the base 10 representation of n but not of n+1.

77, 177, 277, 377, 477, 577, 677, 779, 877, 977, 1077, 1177, 1277, 1377, 1477, 1577, 1677, 1779, 1877, 1977, 2077, 2177, 2277, 2377, 2477, 2577, 2677, 2779, 2877, 2977, 3077, 3177, 3277, 3377, 3477, 3577, 3677, 3779, 3877

Offset

1,1

Links

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

Crossrefs

Sequence in context: A199994 A043518 A044409 * A255095 A029558 A156652

Adjacent sequences: A044787 A044788 A044789 * A044791 A044792 A044793

Keyword

nonn,base

Author

Clark Kimberling

Status

approved