|
|
A106837
|
|
Numbers n such that both n and n+1 have odd part of form 4k+3.
|
|
5
|
|
|
6, 11, 14, 22, 23, 27, 30, 38, 43, 46, 47, 54, 55, 59, 62, 70, 75, 78, 86, 87, 91, 94, 95, 102, 107, 110, 111, 118, 119, 123, 126, 134, 139, 142, 150, 151, 155, 158, 166, 171, 174, 175, 182, 183, 187, 190, 191, 198, 203, 206, 214, 215, 219, 222, 223, 230
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
30/2=15 is 3 mod 4 and so is 31, therefore 30 is in sequence.
|
|
MATHEMATICA
|
SequencePosition[Table[If[EvenQ[n], Mod[n/2^IntegerExponent[n, 2], 4], Mod[ n, 4]], {n, 250}], {3, 3}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Nov 20 2016 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|