|
Search: id:A033891
|
|
| |
|
| 2, 13, 89, 610, 4181, 28657, 196418, 1346269, 9227465, 63245986, 433494437, 2971215073, 20365011074, 139583862445, 956722026041, 6557470319842, 44945570212853, 308061521170129, 2111485077978050
(list; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
LINKS
|
Index entries for sequences related to linear recurrences with constant coefficients
Tanya Khovanova, Recursive Sequences
|
|
FORMULA
|
a(n)=7*a(n-1)-a(n-2). - Floor van Lamoen (fvlamoen(AT)hotmail.com), Dec 10 2001
a(n)=[7/2-(3/2)*sqrt(5)]^n-(2/5)*[7/2-(3/2)*sqrt(5)]^n*sqrt(5)+(2/5)*sqrt(5)*[7/2+(3/2) *sqrt(5)]^n+[7/2+(3/2)*sqrt(5)]^n, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jun 25 2008
G.f.: (2-x)/(1-7x+x^2). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 17 2008]
|
|
MATHEMATICA
|
Table[Fibonacci[4*n+3], {n, 0, 14}] (Vladimir Orlovsky, Jul 21 2008)
|
|
CROSSREFS
|
Sequence in context: A092849 A106938 A106937 this_sequence A126035 A074617 A140636
Adjacent sequences: A033888 A033889 A033890 this_sequence A033892 A033893 A033894
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
Search completed in 0.002 seconds
|
