OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10000
Index entries for linear recurrences with constant coefficients, signature (8,-28,56,-70,56,-28,8,-1).
FORMULA
From Amiram Eldar, Oct 03 2024: (Start)
Sum_{n>=0} 1/a(n) = 28*Pi^7/(215233605*sqrt(3)) + 1093*zeta(7))/4782969. (End)
MATHEMATICA
Table[(9*n + 3)^7, {n, 0, 20}] (* Amiram Eldar, Oct 03 2024 *)
PROG
(Magma) [(9*n+3)^7: n in [0..20]]; // Vincenzo Librandi, Jul 23 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved