A010719 Period 2: repeat {5,8}.

5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5, 8, 5

Offset: 0

Author

N. J. A. Sloane, Dec 11 1996

Keywords

• nonn
• easy

Comments

The inverse binomial transform is 5, 3, -6, 12, -24, 48, -96, 192, -384, 768, ... essentially A110164. - R. J. Mathar, Feb 25 2023

Links

• Index entries for linear recurrences with constant coefficients, signature (0,1).

Crossrefs

Cf. A176323.

Programs

Magma

[ 3*(n mod 2) + 5 : n in [0..50] ]; // Wesley Ivan Hurt, Jun 14 2014

Maple

A010719:=n->3*(n mod 2) + 5; seq(A010719(n), n=0..50); # Wesley Ivan Hurt, Jun 14 2014

Mathematica

Table[3 Mod[n, 2] + 5, {n, 0, 50}] (* Wesley Ivan Hurt, Jun 14 2014 *)

Formula

a(n) = a(n-2) for n > 1; a(0) = 5, a(1) = 8. G.f.: (5+8*x)/((1-x)*(1+x)). - Vincenzo Librandi, Aug 01 2010

a(n) = 3*(n mod 2) + 5. - Wesley Ivan Hurt, Jun 14 2014