%I #13 Dec 26 2021 21:33:09
%S 1,6,107,3186,132849,7122870,466788195,36153055890,3230902408545,
%T 327238250094630,37043457415695675,4634751809368192050,
%U 635113491345511326225,94599619441277679278550
%N Expansion of 1/sqrt(1 - 12x + x^2).
%H J. Shallit, <a href="/A006449/a006449.pdf">Letter to N. J. A. Sloane, Oct. 1975</a>
%F D-finite with recurrence: a(n) + 6*(-2*n+1)*a(n-1) + (n-1)^2*a(n-2) = 0. - _R. J. Mathar_, Jan 17 2020
%K nonn
%O 0,2
%A _N. J. A. Sloane_