OFFSET
0,3
LINKS
J.-L. Baril, S. Kirgizov, V. Vanjovszki, Descent distribution on Catalan words avoiding a pattern of length at most three, Disc. Math. 341 (2018) 2608-2615, Table 2.
Index entries for linear recurrences with constant coefficients, signature (6,-11,5,2).
FORMULA
MAPLE
(1-5*x+7*x^2-x^3-x^4)/(1-2*x)/(1-4*x+3*x^2+x^3) ;
taylor(%, x=0, 30) ;
gfun[seriestolist](%) ;
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
R. J. Mathar, Apr 09 2019
STATUS
approved