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A017118 a(n) = (8*n + 4)^6. 1
4096, 2985984, 64000000, 481890304, 2176782336, 7256313856, 19770609664, 46656000000, 98867482624, 192699928576, 351298031616, 606355001344, 1000000000000, 1586874322944, 2436396322816 (list; graph; refs; listen; history; text; internal format)
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*(1 + 722*x + 10543*x^2 + 23548*x^3 + 10543*x^4 + 722*x^5 + x^6)/(x-1)^7. - R. J. Mathar, May 08 2015

MATHEMATICA

(8*Range[0, 30]+4)^6 (* or *) LinearRecurrence[{7, -21, 35, -35, 21, -7, 1}, {4096, 2985984, 64000000, 481890304, 2176782336, 7256313856, 19770609664}, 30] (* Harvey P. Dale, Jan 07 2016 *)

PROG

(MAGMA) [(8*n+4)^6: n in [0..20] ]; // Vincenzo Librandi, Jul 21 2011

CROSSREFS

Sequence in context: A224285 A224208 A017034 * A269294 A221093 A017214

Adjacent sequences:  A017115 A017116 A017117 * A017119 A017120 A017121

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified May 20 03:10 EDT 2019. Contains 323412 sequences. (Running on oeis4.)