OFFSET
0,3
LINKS
Colin Barker, Table of n, a(n) for n = 0..850
N. Magot and A. Zvonkin, Belyi functions for Archimedian solids, Discrete Math., 217 (2000), 249-271.
Index entries for linear recurrences with constant coefficients, signature (42,-591,2828,-591,42,-1).
FORMULA
The Belyi function is -108*(z^4+1)^4*z^4/(z^8-14*z^4+1)^3.
G.f.: x*(1+x)^4 / (1-14*x+x^2)^3. - Colin Barker, Jan 12 2016
MATHEMATICA
LinearRecurrence[{42, -591, 2828, -591, 42, -1}, {0, 1, 46, 1347, 32220, 686661}, 30] (* Harvey P. Dale, Jul 03 2017 *)
PROG
(PARI) concat(0, Vec(x*(1+x)^4/(1-14*x+x^2)^3 + O(x^20))) \\ Colin Barker, Jan 12 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Dec 25 2001
EXTENSIONS
Corrected by Francisco Salinas (franciscodesalinas(AT)hotmail.com), Dec 25 2001
STATUS
approved