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A197907 Ceiling((n+1/n)^8). 2
256, 1526, 15242, 106442, 534598, 2091240, 6776037, 18992711, 47486564, 108285671, 228948164, 454458311, 855154436, 1537112039, 2655445796, 4431034439, 7171212836, 11295015911, 17363599364, 26116502471, 38514458564, 55789499111, 79503137636, 111613460039 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (9,-36,84,-126,126,-84,36,-9,1).
FORMULA
For n > 7, a(n) = n^8 + 8n^6 + 28n^4 + 56n^2 + 70. [Charles R Greathouse IV, Dec 27 2011]
MATHEMATICA
Table[Ceiling[(n+1/n)^8], {n, 30}] (* Harvey P. Dale, Jul 10 2013 *)
PROG
(Magma) [Ceiling((n+1/n)^8): n in [1..40]]
(PARI) a(n)=ceil((n+1/n)^8) \\ Charles R Greathouse IV, Dec 27 2011
CROSSREFS
Cf. A014058.
Sequence in context: A237135 A197709 A198073 * A218525 A237403 A237399
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Oct 19 2011
STATUS
approved

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)