|
| |
|
|
A044264
|
|
Numbers n such that string 1,4 occurs in the base 9 representation of n but not of n-1.
|
|
0
|
|
|
|
13, 94, 117, 175, 256, 337, 418, 499, 580, 661, 742, 823, 846, 904, 985, 1053, 1147, 1228, 1309, 1390, 1471, 1552, 1575, 1633, 1714, 1795, 1876, 1957, 2038, 2119, 2200, 2281, 2304, 2362, 2443, 2524, 2605, 2686, 2767, 2848
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Table of n, a(n) for n=1..40.
|
|
|
MATHEMATICA
|
With[{c={1, 4}}, Select[Range[3000], MemberQ[Partition[IntegerDigits[ #, 9], 2, 1], c]&& !MemberQ[Partition[IntegerDigits[#-1, 9], 2, 1], c]&]] (* From Harvey P. Dale, Oct 31 2011 *)
|
|
|
CROSSREFS
|
Sequence in context: A055608 A038742 A005414 * A044645 A153703 A222503
Adjacent sequences: A044261 A044262 A044263 * A044265 A044266 A044267
|
|
|
KEYWORD
|
nonn,base
|
|
|
AUTHOR
|
Clark Kimberling
|
|
|
STATUS
|
approved
|
| |
|
|
