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A198401 8^n+n^8. 4
1, 9, 320, 7073, 69632, 423393, 1941760, 7861953, 33554432, 177264449, 1173741824, 8804293473, 69149458432, 550571544609, 4399522300160, 35186934979457, 281479271677952, 2251806789442689, 18014409529442560, 144115205059418913 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (17,-108,372,-798,1134,-1092,708,-297,73,-8).

FORMULA

G.f.: -(9*x^9 +1966*x^8 +34133*x^7 +120575*x^6 +109459*x^5 +18599*x^4 -2233*x^3 -275*x^2 +8*x -1) / ((x -1)^9*(8*x -1)). - Colin Barker, Sep 13 2013

MATHEMATICA

f[n_] := 8^n + n^8; f[Range[0, 30]]

PROG

(MAGMA) [8^n+n^8: n in [0..20]]

(PARI) a(n)=8^n+n^8 \\ Charles R Greathouse IV, Oct 16 2015

CROSSREFS

Cf. A001580, A001585, A001589, A001593, A001594, A001596, A177068, A177069, A185277.

Sequence in context: A266835 A288324 A317634 * A135609 A277422 A266065

Adjacent sequences:  A198398 A198399 A198400 * A198402 A198403 A198404

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Oct 27 2011

STATUS

approved

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Last modified October 18 08:08 EDT 2019. Contains 328146 sequences. (Running on oeis4.)