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A022386 Fibonacci sequence beginning 4, 26. 1
4, 26, 30, 56, 86, 142, 228, 370, 598, 968, 1566, 2534, 4100, 6634, 10734, 17368, 28102, 45470, 73572, 119042, 192614, 311656, 504270, 815926, 1320196, 2136122, 3456318, 5592440, 9048758, 14641198, 23689956, 38331154, 62021110, 100352264, 162373374, 262725638, 425099012 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

G. C. Greubel, 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

G.f.: (4+22x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008

a(n) = 4*Fibonacci(n+2) + 18*Fibonacci(n) = 4*Fibonacci(n-1) + 26*Fibonacci(n). - G. C. Greubel, Mar 02 2018

MATHEMATICA

Table[4*Fibonacci[n+2] + 18*Fibonacci[n], {n, 0, 50}] (* or *) LinearRecurrence[{1, 1}, {4, 26}, 50] (* G. C. Greubel, Mar 02 2018 *)

PROG

(PARI) for(n=0, 50, print1(4*fibonacci(n+2) + 18*fibonacci(n), ", ")) \\ G. C. Greubel, Mar 02 2018

(MAGMA) [4*Fibonacci(n+2) + 18*Fibonacci(n): n in [0..50]]; // G. C. Greubel, Mar 02 2018

CROSSREFS

Sequence in context: A276268 A086909 A046963 * A059178 A056193 A196672

Adjacent sequences:  A022383 A022384 A022385 * A022387 A022388 A022389

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 14 1998

EXTENSIONS

More terms from Wesley Ivan Hurt, Jun 10 2014

STATUS

approved

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Last modified September 22 18:50 EDT 2018. Contains 315270 sequences. (Running on oeis4.)