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A016875 (5n+2)^3. 0
8, 343, 1728, 4913, 10648, 19683, 32768, 50653, 74088, 103823, 140608, 185193, 238328, 300763, 373248, 456533, 551368, 658503, 778688, 912673, 1061208, 1225043, 1404928, 1601613, 1815848, 2048383 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..25.

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

FORMULA

a(0)=8, a(1)=343, a(2)=1728, a(3)=4913, a(n)=4*a(n-1)-6*a(n-2)+ 4*a(n-3)- a(n-4). - Harvey P. Dale, Apr 30 2013

G.f.: ( 8+311*x+404*x^2+27*x^3 ) / (x-1)^4 . - R. J. Mathar, Dec 03 2015

MATHEMATICA

(5*Range[0, 30]+2)^3 (* or *) LinearRecurrence[{4, -6, 4, -1}, {8, 343, 1728, 4913}, 30] (* Harvey P. Dale, Apr 30 2013 *)

CROSSREFS

Sequence in context: A061458 A135067 A002781 * A046244 A193225 A304148

Adjacent sequences:  A016872 A016873 A016874 * A016876 A016877 A016878

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 20 13:14 EST 2019. Contains 329336 sequences. (Running on oeis4.)