OFFSET
0,2
REFERENCES
P. de la Harpe, Topics in Geometric Group Theory, Univ. Chicago Press, 2000, p. 160, Sigma(Gamma_12, S_12; z).
LINKS
Colin Barker, Table of n, a(n) for n = 0..590
Index entries for linear recurrences with constant coefficients, signature (47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-47,1).
FORMULA
G.f.: (1+x)*(1-x^24)/(1-47*x+47*x^24-x^25).
a(n) = 47*a(n-1) - 47*a(n-24) + a(n-25). - Wesley Ivan Hurt, Mar 15 2023
PROG
(PARI) Vec((1+x)*(1-x^24)/(1-47*x+47*x^24-x^25) + O(x^15)) \\ Colin Barker, Jun 13 2019
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Aug 21 2001
STATUS
approved