|
|
A037482
|
|
Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 1,2.
|
|
0
|
|
|
1, 7, 36, 182, 911, 4557, 22786, 113932, 569661, 2848307, 14241536, 71207682, 356038411, 1780192057, 8900960286, 44504801432, 222524007161, 1112620035807, 5563100179036, 27815500895182, 139077504475911, 695387522379557
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
FORMULA
|
a(n) = 5a(n-1) + a(n-2) - 5a(n-3).
a(n) = (-1)^n/12 -3/8 +7*5^n/24. G.f. x*(1+2*x) / ( (x-1)*(5*x-1)*(1+x) ). - R. J. Mathar, Nov 02 2011
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|