|
|
A044207
|
|
Numbers n such that string 2,4 occurs in the base 8 representation of n but not of n-1.
|
|
1
|
|
|
20, 84, 148, 160, 212, 276, 340, 404, 468, 532, 596, 660, 672, 724, 788, 852, 916, 980, 1044, 1108, 1172, 1184, 1236, 1280, 1364, 1428, 1492, 1556, 1620, 1684, 1696, 1748, 1812, 1876, 1940, 2004, 2068, 2132, 2196, 2208, 2260
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
MATHEMATICA
|
SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 8], {2, 4}]>0, 1, 0], {n, 2500}], {0, 1}][[All, 2]] (* Harvey P. Dale, Mar 30 2022 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|