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A062075 a(n) = n^4 * 4^n. 9
0, 4, 256, 5184, 65536, 640000, 5308416, 39337984, 268435456, 1719926784, 10485760000, 61408804864, 347892350976, 1916696264704, 10312216477696, 54358179840000, 281474976710656, 1434879854116864, 7213895789838336 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Harry J. Smith, Table of n, a(n) for n=0..200

Index entries for linear recurrences with constant coefficients, signature (20,-160,640,-1280,1024).

FORMULA

G.f.: -4*x*(4*x+1)*(16*x^2+40*x+1) / (4*x-1)^5. - Colin Barker, Apr 30 2013

MAPLE

A062075:=n->n^4*4^n: seq(A062075(n), n=0..30); # Wesley Ivan Hurt, Apr 09 2017

MATHEMATICA

f[n_]:=n^4*4^n; f[Range[0, 40]] (* Vladimir Joseph Stephan Orlovsky, Feb 14 2011 *)

PROG

(PARI) for(n=0, 22, print((n^4)*(4^n)))

(PARI) { for (n=0, 200, write("b062075.txt", n, " ", n^4 * 4^n) ) } [Harry J. Smith, Jul 31 2009]

CROSSREFS

Sequence in context: A203511 A063073 A093760 * A266890 A013734 A209588

Adjacent sequences:  A062072 A062073 A062074 * A062076 A062077 A062078

KEYWORD

nonn,easy

AUTHOR

Jason Earls, Jun 27 2001

STATUS

approved

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Last modified July 23 14:36 EDT 2019. Contains 325255 sequences. (Running on oeis4.)