A044691 Numbers n such that string 6,5 occurs in the base 9 representation of n but not of n+1.

59, 140, 221, 302, 383, 464, 539, 545, 626, 707, 788, 869, 950, 1031, 1112, 1193, 1268, 1274, 1355, 1436, 1517, 1598, 1679, 1760, 1841, 1922, 1997, 2003, 2084, 2165, 2246, 2327, 2408, 2489, 2570, 2651, 2726, 2732, 2813

Offset

1,1

Links

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

Mathematica

Select[Range[3000], MemberQ[Partition[IntegerDigits[#, 9], 2, 1], {6, 5}] && !MemberQ[Partition[IntegerDigits[#+1, 9], 2, 1], {6, 5}]&] (* Harvey P. Dale, Mar 26 2012 *)

Crossrefs

Sequence in context: A142171 A129480 A044310 * A156796 A183348 A106756

Adjacent sequences: A044688 A044689 A044690 * A044692 A044693 A044694

Keyword

nonn,base

Author

Clark Kimberling

Status

approved