OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..10000
Index entries for linear recurrences with constant coefficients, signature (10,-45,120,-210,252,-210,120,-45,10,-1).
FORMULA
For n > 126, a(n) = n^9 + 9n^7 + 36n^5 + 84n^3 + 126n + 2. - Charles R Greathouse IV, Dec 27 2011
PROG
(Magma) [Ceiling((n+1/n)^9): n in [1..40]]
(PARI) a(n)=ceil((n+1/n)^9) \\ Charles R Greathouse IV, Dec 27 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Oct 19 2011
STATUS
approved