A022377 Fibonacci sequence beginning 2, 30.

2, 30, 32, 62, 94, 156, 250, 406, 656, 1062, 1718, 2780, 4498, 7278, 11776, 19054, 30830, 49884, 80714, 130598, 211312, 341910, 553222, 895132, 1448354, 2343486, 3791840, 6135326, 9927166, 16062492

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

Links

• Tanya Khovanova, Recursive Sequences
• Index entries for linear recurrences with constant coefficients, signature (1, 1).

Programs

Mathematica

a={};b=2;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 *)

Formula

G.f.: (2+28x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008