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A017572 (12n+4)^4. 0
256, 65536, 614656, 2560000, 7311616, 16777216, 33362176, 59969536, 100000000, 157351936, 236421376, 342102016, 479785216, 655360000, 875213056, 1146228736, 1475789056, 1871773696, 2342560000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..18.

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

FORMULA

a(0)=256, a(1)=65536, a(2)=614656, a(3)=2560000, a(4)=7311616, a(n)=5*a(n-1)- 10*a(n-2)+10*a(n-3)-5*a(n-4)+a(n-5). - Harvey P. Dale, Mar 08 2013

MATHEMATICA

(12*Range[0, 30]+4)^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {256, 65536, 614656, 2560000, 7311616}, 30] (* Harvey P. Dale, Mar 08 2013 *)

CROSSREFS

Sequence in context: A205173 A205416 A229103 * A189270 A016748 A189623

Adjacent sequences:  A017569 A017570 A017571 * A017573 A017574 A017575

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 5 23:01 EDT 2022. Contains 357261 sequences. (Running on oeis4.)