|
|
A044797
|
|
Numbers n such that string 8,4 occurs in the base 10 representation of n but not of n+1.
|
|
0
|
|
|
84, 184, 284, 384, 484, 584, 684, 784, 849, 884, 984, 1084, 1184, 1284, 1384, 1484, 1584, 1684, 1784, 1849, 1884, 1984, 2084, 2184, 2284, 2384, 2484, 2584, 2684, 2784, 2849, 2884, 2984, 3084, 3184, 3284, 3384, 3484, 3584
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
MATHEMATICA
|
SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {8, 4}]>0, 1, 0], {n, 4000}], {1, 0}][[All, 1]] (* Harvey P. Dale, Apr 09 2022 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|