|
| |
|
|
A004180
|
|
Omit 5's from n.
|
|
3
|
|
|
|
0, 1, 2, 3, 4, 0, 6, 7, 8, 9, 10, 11, 12, 13, 14, 1, 16, 17, 18, 19, 20, 21, 22, 23, 24, 2, 26, 27, 28, 29, 30, 31, 32, 33, 34, 3, 36, 37, 38, 39, 40, 41, 42, 43, 44, 4, 46, 47, 48, 49, 0, 1, 2, 3, 4, 0, 6, 7, 8, 9, 60, 61, 62, 63, 64, 6, 66, 67, 68, 69, 70, 71, 72, 73, 74
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,3
|
|
|
COMMENTS
|
See A004724 for a variant where a(n) disappears when n has only digits 5. - M. F. Hasler, Jan 13 2020
|
|
|
LINKS
|
|
|
|
MATHEMATICA
|
Table[FromDigits[DeleteCases[IntegerDigits[n], 5]], {n, 0, 79}] (* Harvey P. Dale, Jan 20 2015 *)
|
|
|
PROG
|
(Scala) (0 to 99).map(n => try {
Integer.parseInt(Integer.toString(n).replace("5", ""))
} catch {
case _: NumberFormatException => 0
(MATLAB) for u=0:74 ; v=dec2base(u, 10)-'0'; v = v(v~=5); if length(v)>0; sol(u+1)=(str2num(strrep(num2str(v), ' ', ''))); else; sol(u+1)=0; end; end; sol % Marius A. Burtea, Jan 13 2020
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn,base,easy
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
