A044611 Numbers n such that string 5,3 occurs in the base 8 representation of n but not of n+1.

43, 107, 171, 235, 299, 351, 363, 427, 491, 555, 619, 683, 747, 811, 863, 875, 939, 1003, 1067, 1131, 1195, 1259, 1323, 1375, 1387, 1451, 1515, 1579, 1643, 1707, 1771, 1835, 1887, 1899, 1963, 2027, 2091, 2155, 2219, 2283, 2347

Offset

1,1

Links

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

Mathematica

s53Q[n_]:=MemberQ[Partition[IntegerDigits[n, 8], 2, 1], {5, 3}] && !MemberQ[ Partition[IntegerDigits[n+1, 8], 2, 1], {5, 3}]; Select[Range[2500], s53Q] (* Harvey P. Dale, Nov 26 2012 *)

Crossrefs

Sequence in context: A194773 A154506 A044230 * A246931 A142944 A334641

Adjacent sequences: A044608 A044609 A044610 * A044612 A044613 A044614

Keyword

nonn,base

Author

Clark Kimberling

Status

approved