OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10000
Index entries for linear recurrences with constant coefficients, signature (7,-21,35,-35,21,-7,1).
FORMULA
G.f.: -(4096 + 1742889*x + 21697313*x^2 + 43114478*x^3 + 17152878*x^4 + 994897*x^5 + 729*x^6)/(x-1)^7. - R. J. Mathar, Jul 07 2017
MATHEMATICA
LinearRecurrence[{7, -21, 35, -35, 21, -7, 1}, {4096, 1771561, 34012224, 244140625, 1073741824, 3518743761, 9474296896}, 30] (* Harvey P. Dale, Sep 29 2023 *)
PROG
(Magma) [(7*n+4)^6: n in [0..30] ]; // Vincenzo Librandi, Jul 16 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved