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A044208 Numbers n such that string 2,5 occurs in the base 8 representation of n but not of n-1. 0
21, 85, 149, 168, 213, 277, 341, 405, 469, 533, 597, 661, 680, 725, 789, 853, 917, 981, 1045, 1109, 1173, 1192, 1237, 1301, 1344, 1429, 1493, 1557, 1621, 1685, 1704, 1749, 1813, 1877, 1941, 2005, 2069, 2133, 2197, 2216, 2261 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Flatten[Position[Partition[Table[If[MemberQ[Partition[IntegerDigits[n, 8], 2, 1], {2, 5}], 1, 0], {n, 2300}], 2, 1], {0, 1}]]+1 (* Harvey P. Dale, Mar 29 2015 *)
CROSSREFS
Sequence in context: A104676 A143244 A041856 * A044589 A116972 A221475
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified April 16 05:35 EDT 2024. Contains 371697 sequences. (Running on oeis4.)