A323263 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A323263

The sequence denoted by d_n used in the calculation of A323260.

0, 0, 1, 3, 12, 49, 197, 802, 3251, 13199, 53558, 217359, 882077, 3579664, 14526997, 58953567, 239245700, 970908389, 3940146321, 15989925914, 64890414991, 263338678635, 1068682634486, 4336934396651, 17600173665641, 71425132301280, 289857908288985, 1176303134354955, 4773680566664252, 19372579641254793, 78617921060228045

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

LINKS

Table of n, a(n) for n=1..31.

K. A. Van'kov, V. M. Zhuravlyov, Regular tilings and generating functions, Mat. Pros. Ser. 3, issue 22, 2018 (127-157) [in Russian]. See Table 1.

Index entries for linear recurrences with constant coefficients, signature (4,2,-8,2,6,-1).

FORMULA

Van'kov and Zhuravlyov give recurrences.

G.f.: -x^2*(x^2-x-1)*(x-1)^2/(1+x)/(x^5-7*x^4+5*x^3+3*x^2-5*x+1) . - R. J. Mathar, Jan 11 2019

CROSSREFS

Cf. A323260-A323269.