|
|
A370872
|
|
Positive integers m such that c(0) > c(1) >= c(2), where c(k) = number of k's in the ternary representation of m.
|
|
3
|
|
|
9, 27, 29, 33, 45, 55, 57, 63, 81, 82, 83, 84, 87, 90, 99, 108, 135, 163, 165, 171, 189, 243, 244, 245, 246, 248, 249, 250, 252, 254, 258, 261, 262, 264, 270, 272, 276, 288, 297, 298, 300, 306, 324, 326, 330, 342, 378, 405, 406, 408, 414, 432, 487, 489, 490
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
The ternary representation of 84 is 10010, for which c(0)=3 > c(1)=2 >= c(2)=0.
|
|
MATHEMATICA
|
Select[Range[1000], DigitCount[#, 3, 0] > DigitCount[#, 3, 1] >= DigitCount[#, 3, 2] &]
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|