OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..400
Index entries for linear recurrences with constant coefficients, signature (14,-70,182,-280,266,-154,50,-7).
MATHEMATICA
Table[7^n-n^6, {n, 0, 30}] (* Harvey P. Dale, May 28 2019 *)
PROG
(Magma) [7^n-n^6: n in [0..20]]; // Vincenzo Librandi, Jul 2011
CROSSREFS
KEYWORD
sign,easy
AUTHOR
STATUS
approved