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A017226 a(n) = (9*n + 5)^6. 1
15625, 7529536, 148035889, 1073741824, 4750104241, 15625000000, 42180533641, 98867482624, 208422380089, 404567235136, 735091890625, 1265319018496, 2081951752609, 3297303959104, 5053913144281 (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.: -(15625 + 7420161*x + 95657262*x^2 + 195063982*x^3 + 79678257*x^4 + 4798137*x^5 + 4096*x^6) /(x-1)^7. - R. J. Mathar, Mar 20 2018

PROG

(MAGMA) [(9*n+5)^6: n in [0..25]]; // Vincenzo Librandi, Jul 24 2011

CROSSREFS

Sequence in context: A017046 A017130 A303155 * A223232 A017334 A265934

Adjacent sequences:  A017223 A017224 A017225 * A017227 A017228 A017229

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 17 11:43 EDT 2021. Contains 348048 sequences. (Running on oeis4.)