|
| |
|
|
A044762
|
|
Numbers n such that string 4,9 occurs in the base 10 representation of n but not of n+1.
|
|
1
|
|
|
|
49, 149, 249, 349, 449, 499, 549, 649, 749, 849, 949, 1049, 1149, 1249, 1349, 1449, 1499, 1549, 1649, 1749, 1849, 1949, 2049, 2149, 2249, 2349, 2449, 2499, 2549, 2649, 2749, 2849, 2949, 3049, 3149, 3249, 3349, 3449, 3499
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Harvey P. Dale, Table of n, a(n) for n = 1..1000
|
|
|
MATHEMATICA
|
Flatten[Position[Partition[Boole[MemberQ[Partition[IntegerDigits[#], 2, 1], {4, 9}]]&/@Range[3500], 2, 1], {1, 0}]] (* Harvey P. Dale, Dec 21 2014 *)
|
|
|
CROSSREFS
|
Sequence in context: A162942 A027469 A044381 * A159247 A265423 A226146
Adjacent sequences: A044759 A044760 A044761 * A044763 A044764 A044765
|
|
|
KEYWORD
|
nonn,base
|
|
|
AUTHOR
|
Clark Kimberling
|
|
|
STATUS
|
approved
|
| |
|
|
