|
| |
|
|
A023736
|
|
Numbers with exactly 3 3's in their base-5 expansion.
|
|
2
|
|
|
|
93, 218, 343, 393, 418, 443, 453, 458, 463, 465, 466, 467, 469, 473, 493, 593, 718, 843, 968, 1018, 1043, 1068, 1078, 1083, 1088, 1090, 1091, 1092, 1094, 1098, 1118, 1218, 1343, 1468, 1593, 1643, 1668, 1693, 1703, 1708
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
|
|
|
MAPLE
|
seq(`if`(numboccur(3, convert(n, base, 5))=3, n, NULL), n=0..2000); # Nathaniel Johnston, Jun 27 2011
|
|
|
MATHEMATICA
|
Select[ Range[ 1750 ], (Count[ IntegerDigits[ #, 5 ], 3 ]==3)& ]
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn,base,easy
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
