OFFSET
1,1
COMMENTS
Conjecture: satisfies a linear recurrence having signature (2, 0, -2, 1, 2, -2, 0, 0, 0, -1). - Harvey P. Dale, Aug 21 2021
LINKS
Burger, A. P. ; Van Der Merwe, M.; Van Vuuren, J. H. An asymptotic analysis of the evolutionary spatial prisoner’s dilemma on a path, Discrete Appl. Math. 160, No. 15, 2075-2088 (2012) Table 4.2
FORMULA
Conjecture: g.f. 2*x -x^2*(-2 +2*x +x^2 -2*x^3 +3*x^5 +x^7 +x^9)/ (x^5+x^2-1)/ (x^5-x^2+2*x-1) .
MAPLE
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
R. J. Mathar, Jun 11 2019
STATUS
approved