A004279 1, 3, 5 and the positive even numbers.

1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104

Offset: 0

Author

N. J. A. Sloane

Keywords

• easy
• nonn

Links

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

Crossrefs

Cf. A004272.

Programs

Mathematica

Sort[Join[Range[2,104,2],Range[1,5,2]]] (* Harvey P. Dale, Aug 28 2011 *)

Formula

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