A044580 Numbers n such that string 1,4 occurs in the base 8 representation of n but not of n+1.

12, 76, 103, 140, 204, 268, 332, 396, 460, 524, 588, 615, 652, 716, 831, 844, 908, 972, 1036, 1100, 1127, 1164, 1228, 1292, 1356, 1420, 1484, 1548, 1612, 1639, 1676, 1740, 1804, 1868, 1932, 1996, 2060, 2124, 2151, 2188, 2252

Offset

1,1

Links

Table of n, a(n) for n=1..41.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 8], {1, 4}]>0, 1, 0], {n, 2500}], {1, 0}][[;; , 1]] (* Harvey P. Dale, Dec 08 2023 *)

Crossrefs

Sequence in context: A009642 A051104 A044199 * A075279 A009405 A009839

Adjacent sequences: A044577 A044578 A044579 * A044581 A044582 A044583

Keyword

nonn,base

Author

Clark Kimberling

Status

approved