|
|
A043868
|
|
Numbers n such that number of runs in the base 4 representation of n is congruent to 1 mod 10.
|
|
0
|
|
|
1, 2, 3, 5, 10, 15, 21, 42, 63, 85, 170, 255, 341, 682, 1023, 1365, 2730, 4095, 5461, 10922, 16383, 21845, 43690, 65535, 87381, 174762, 262143, 349525, 699050, 1048575, 1118481, 1118482, 1118483, 1118488, 1118489, 1118491
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
MATHEMATICA
|
Select[Range[112*10^4], Mod[Length[Split[IntegerDigits[#, 4]]], 10]==1&] (* Harvey P. Dale, Nov 22 2018 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|