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A017175 a(n) = (9*n + 1)^3. 1
1, 1000, 6859, 21952, 50653, 97336, 166375, 262144, 389017, 551368, 753571, 1000000, 1295029, 1643032, 2048383, 2515456, 3048625, 3652264, 4330747, 5088448, 5929741, 6859000, 7880599, 8998912 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

Index entries for linear recurrences with constant coefficients, signature (4,-6,4,-1).

FORMULA

G.f.: ( 1 + 996*x + 2865*x^2 + 512*x^3 ) / (x-1)^4. - R. J. Mathar, Jul 14 2016

PROG

(MAGMA) [(9*n+1)^3: n in [0..40]]; // Vincenzo Librandi, Aug 30 2011

CROSSREFS

Sequence in context: A043491 A100988 A195163 * A019548 A017271 A017511

Adjacent sequences:  A017172 A017173 A017174 * A017176 A017177 A017178

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified September 16 06:18 EDT 2021. Contains 347469 sequences. (Running on oeis4.)