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A016852 (5n)^4. 0
0, 625, 10000, 50625, 160000, 390625, 810000, 1500625, 2560000, 4100625, 6250000, 9150625, 12960000, 17850625, 24010000, 31640625, 40960000, 52200625, 65610000, 81450625, 100000000, 121550625 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..21.

Index entries for linear recurrences with constant coefficients, signature (5, -10, 10, -5, 1).

MATHEMATICA

(5*Range[0, 30])^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {0, 625, 10000, 50625, 160000}, 30] (* Harvey P. Dale, Apr 18 2018 *)

CROSSREFS

Sequence in context: A250832 A250827 A055868 * A016972 A156162 A017044

Adjacent sequences:  A016849 A016850 A016851 * A016853 A016854 A016855

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 13 18:57 EDT 2019. Contains 327981 sequences. (Running on oeis4.)