|
| |
|
|
A037542
|
|
Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,1.
|
|
0
|
|
|
|
1, 11, 100, 901, 8111, 73000, 657001, 5913011, 53217100, 478953901, 4310585111, 38795266000, 349157394001, 3142416546011, 28281748914100, 254535740226901, 2290821662042111
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
|
|
|
FORMULA
|
G.f.: x*(1+x)^2 / ( (x-1)*(9*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn,base,easy
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
