|
|
A037564
|
|
Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 2,2,1.
|
|
0
|
|
|
2, 16, 113, 793, 5553, 38872, 272106, 1904744, 13333209, 93332465, 653327257, 4573290800, 32013035602, 224091249216, 1568638744513, 10980471211593, 76863298481153, 538043089368072, 3766301625576506
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
FORMULA
|
G.f.: x*(2+2*x+x^2) / ( (x-1)*(7*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|