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A022400 Fibonacci sequence beginning 1, 30. 0
1, 30, 31, 61, 92, 153, 245, 398, 643, 1041, 1684, 2725, 4409, 7134, 11543, 18677, 30220, 48897, 79117, 128014, 207131, 335145, 542276, 877421, 1419697, 2297118, 3716815, 6013933, 9730748, 15744681 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..29.

Tanya Khovanova, Recursive Sequences

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

FORMULA

G.f.: (1+29*x)/(1-x-x^2). - Philippe Deléham, Nov 20 2008

a(n) = 30*A000045(n) + A000045(n-1). [Paolo P. Lava, May 19 2015]

MAPLE

with(numtheory): with(combinat): P:=proc(q) local n;

for n from 0 to q do print(30*fibonacci(n)+fibonacci(n-1));

od; end: P(30); # Paolo P. Lava, May 19 2015

MATHEMATICA

a={}; b=1; c=30; AppendTo[a, b]; AppendTo[a, c]; Do[b=b+c; AppendTo[a, b]; c=b+c; AppendTo[a, c], {n, 4!}]; a (* Vladimir Joseph Stephan Orlovsky, Sep 18 2008 *)

CROSSREFS

Sequence in context: A162503 A003896 A267747 * A042812 A042814 A042816

Adjacent sequences:  A022397 A022398 A022399 * A022401 A022402 A022403

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified March 23 20:21 EDT 2017. Contains 283957 sequences.