A158607 Period 5: repeat 9,11,13,5,7.
9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7, 9, 11, 13, 5, 7
Offset: 1
Links
- Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1).
Crossrefs
Cf. A158606.
Formula
G.f.: -x*(9+11*x+13*x^2+5*x^3+7*x^4)/((x-1)*(1+x+x^2+x^3+x^4)). - R. J. Mathar, Apr 08 2009
a(n) = 2*n+7-10*floor((n+1)/5). - Aaron J Grech, Aug 30 2024
Extensions
Edited by R. J. Mathar, Apr 08 2009