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A016830 (4n+2)^6. 0
64, 46656, 1000000, 7529536, 34012224, 113379904, 308915776, 729000000, 1544804416, 3010936384, 5489031744, 9474296896, 15625000000, 24794911296, 38068692544, 56800235584, 82653950016 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..16.

Index entries for linear recurrences with constant coefficients, signature (7, -21, 35, -35, 21, -7, 1).

FORMULA

a(0)=64, a(1)=46656, a(2)=1000000, a(3)=7529536, a(4)=34012224, a(5)=113379904, a(6)=308915776, a(n)=7*a(n-1)-21*a(n-2)+35*a(n-3)- 35*a(n-4)+ 21*a(n-5)-7*a(n-6)+a(n-7). - Harvey P. Dale, Oct 14 2012

MATHEMATICA

(4*Range[0, 20]+2)^6 (* or *) LinearRecurrence[{7, -21, 35, -35, 21, -7, 1}, {64, 46656, 1000000, 7529536, 34012224, 113379904, 308915776}, 20] (* Harvey P. Dale, Oct 14 2012 *)

CROSSREFS

Sequence in context: A221615 A141092 A283924 * A249076 A103346 A123394

Adjacent sequences:  A016827 A016828 A016829 * A016831 A016832 A016833

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 19 00:55 EDT 2019. Contains 324217 sequences. (Running on oeis4.)