A044686 Numbers n such that string 6,0 occurs in the base 9 representation of n but not of n+1.

54, 135, 216, 297, 378, 459, 494, 540, 621, 702, 783, 864, 945, 1026, 1107, 1188, 1223, 1269, 1350, 1431, 1512, 1593, 1674, 1755, 1836, 1917, 1952, 1998, 2079, 2160, 2241, 2322, 2403, 2484, 2565, 2646, 2681, 2727, 2808

Offset

1,1

Links

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

Mathematica

Select[Range[3000], MemberQ[Partition[IntegerDigits[#, 9], 2, 1], {6, 0}] && !MemberQ[ Partition[IntegerDigits[#+1, 9], 2, 1], {6, 0}]&] (* Harvey P. Dale, May 14 2011 *)

Crossrefs

Sequence in context: A255021 A184067 A044305 * A108780 A057396 A286836

Adjacent sequences: A044683 A044684 A044685 * A044687 A044688 A044689

Keyword

nonn,base

Author

Clark Kimberling

Status

approved