|
|
|
|
6, 41, 321, 2561, 20481, 163841, 1310721, 10485761, 83886081, 671088641, 5368709121, 42949672961, 343597383681, 2748779069441, 21990232555521, 175921860444161, 1407374883553281, 11258999068426241, 90071992547409921
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,1
|
|
LINKS
|
|
|
FORMULA
|
a(n) = 8*a(n-1)-7.
a(n) = 9*a(n-1)-8*a(n-2).
G.f.: (6-13*x)/((1-x)*(1-8*x)).
|
|
PROG
|
(Magma) [5*8^n+1: n in [0..30]];
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|