|
|
A044395
|
|
Numbers n such that string 6,3 occurs in the base 10 representation of n but not of n-1.
|
|
0
|
|
|
63, 163, 263, 363, 463, 563, 630, 663, 763, 863, 963, 1063, 1163, 1263, 1363, 1463, 1563, 1630, 1663, 1763, 1863, 1963, 2063, 2163, 2263, 2363, 2463, 2563, 2630, 2663, 2763, 2863, 2963, 3063, 3163, 3263, 3363, 3463, 3563
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
MATHEMATICA
|
SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {6, 3}]>0, 1, 0], {n, 3600}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Apr 08 2020 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|