OFFSET
1,2
COMMENTS
It seems that this is also the first row of the spectral array W(sqrt(37)-5).
It also seems that, for all k>0, the first row of W(sqrt(k^2+1)-k+1) has a generating function of the form x*(1+(2*k+1)*x-2*k*x^3)/(1-(2*k+2)*x^2+2*k*x^4).
LINKS
Colin Barker, Table of n, a(n) for n = 1..1000
A. Fraenkel and C. Kimberling, Generalized Wythoff arrays, shuffles and interspersions, Discrete Mathematics 126 (1994) 137-149.
Index entries for linear recurrences with constant coefficients, signature (0,14,0,-12).
MATHEMATICA
CoefficientList[Series[x (1+13x-12x^3)/(1-14x^2+12x^4), {x, 0, 30}], x] (* or *) LinearRecurrence[{0, 14, 0, -12}, {1, 13, 14, 170}, 30] (* Harvey P. Dale, Oct 19 2018 *)
PROG
(PARI) Vec(x*(1+13*x-12*x^3)/(1-14*x^2+12*x^4) + O(x^100))
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Colin Barker, Oct 25 2014
STATUS
approved