A114637 Nonnegative numbers excluding 1 and 2.

0, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74

Offset

1,2

Links

Table of n, a(n) for n=1..73.

Index entries for linear recurrences with constant coefficients, signature (2,-1).

Formula

G.f.: -x^2*(-3+2*x)/(x-1)^2 . - R. J. Mathar, May 25 2026

Mathematica

Join[{0}, Range[3, 80]] (* Harvey P. Dale, Jan 18 2016 *)

Prog

(PARI) a(n)=if(n==1, 0, n+1) \\ Charles R Greathouse IV, Sep 02 2011

Crossrefs

Cf. A087156.

Sequence in context: A141213 A171950 A184985 * A009056 A065475 A062983

Adjacent sequences: A114634 A114635 A114636 * A114638 A114639 A114640

Keyword

nonn,easy

Author

Giovanni Teofilatto, Feb 18 2006

Extensions

Edited by N. J. A. Sloane, Oct 11 2008

Status

approved