A044760 Numbers n such that string 4,7 occurs in the base 10 representation of n but not of n+1.

47, 147, 247, 347, 447, 479, 547, 647, 747, 847, 947, 1047, 1147, 1247, 1347, 1447, 1479, 1547, 1647, 1747, 1847, 1947, 2047, 2147, 2247, 2347, 2447, 2479, 2547, 2647, 2747, 2847, 2947, 3047, 3147, 3247, 3347, 3447, 3479

Offset

1,1

Links

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

Crossrefs

Sequence in context: A136070 A055822 A044379 * A142505 A047948 A142529

Adjacent sequences: A044757 A044758 A044759 * A044761 A044762 A044763

Keyword

nonn,base

Author

Clark Kimberling

Status

approved