login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A022367 Fibonacci sequence beginning 2, 10. 2
2, 10, 12, 22, 34, 56, 90, 146, 236, 382, 618, 1000, 1618, 2618, 4236, 6854, 11090, 17944, 29034, 46978, 76012, 122990, 199002, 321992, 520994, 842986, 1363980, 2206966, 3570946, 5777912, 9348858, 15126770, 24475628, 39602398, 64078026, 103680424, 167758450, 271438874 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (1,1).

FORMULA

From R. J. Mathar, Mar 11 2011: (Start)

a(n) = 2*A022095(n).

G.f.: 2*(1+4*x)/(1-x-x^2). (End)

a(n) = A147316(n-4) + A000045(n+5). - Giuseppe Coppoletta, Jul 27 2017

a(n) = 11*F(n) + F(n-3). - J. M. Bergot, Jul 19 2017

MATHEMATICA

LinearRecurrence[{1, 1}, {2, 10}, 40] (* Harvey P. Dale, Jun 17 2014 *)

PROG

(PARI) for(n=0, 50, print1(2*(fibonacci(n+2) + 3*fibonacci(n)), ", ")) \\ G. C. Greubel, Aug 27 2017

CROSSREFS

Cf. A000045, A022095, A147316.

Sequence in context: A166938 A093325 A001363 * A004686 A080139 A055701

Adjacent sequences:  A022364 A022365 A022366 * A022368 A022369 A022370

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Michel Marcus, Jul 05 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified October 21 04:02 EDT 2017. Contains 293679 sequences.