OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (21,-116,96).
FORMULA
a(n) = (21*12^(n+1) - 22*8^(n+1) + 1)/77. - Bruno Berselli, Mar 21 2011
a(n) = 20*a(n-1) - 96*a(n-2) + 1, n >= 2. - Vincenzo Librandi, Mar 21 2011
PROG
(PARI) Vec(1/((1-x)*(1-8*x)*(1-12*x)) + O(x^40)) \\ Michel Marcus, Sep 04 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved