OFFSET
0,3
LINKS
D. Callan and T. Mansour, Enumeration of small Wilf classes avoiding 1324 and two other 4-letter patterns, arXiv:1705.00933 [math.CO] (2017), Table 1 No 158.
Index entries for linear recurrences with constant coefficients, signature (11,-50,121,-167,130,-52,8).
MAPLE
(1 -10*x +41*x^2 -87*x^3 +101*x^4 -61*x^5 +15*x^6 -x^7)/((1 -x)^2*(1 -2*x)^3*(1 -3*x +x^2)) ;
taylor(%, x=0, 40) ;
gfun[seriestolist](%) ;
MATHEMATICA
LinearRecurrence[{11, -50, 121, -167, 130, -52, 8}, {1, 1, 2, 6, 21, 75, 260, 864}, 30] (* Harvey P. Dale, May 09 2022 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
R. J. Mathar, Nov 09 2017
STATUS
approved