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A179539 a(0)=1, a(1)=0, a(n)=2n(a(n-1)+a(n-2)), n>1. 0
1, 0, 4, 24, 224, 2480, 32448, 488922, 8343040, 158976576, 3346392320, 77118115712, 1931148192768, 52214924020480, 1516090021970944, 47049148379742720 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..15.

EXAMPLE

a(2)= 4*(0+1)=4, a(3)=6*(4+0)=24, a(4)=8*(24+4)=224...

CROSSREFS

Sequence in context: A183279 A145237 A034256 * A277612 A216857 A318005

Adjacent sequences:  A179536 A179537 A179538 * A179540 A179541 A179542

KEYWORD

nonn

AUTHOR

Gary Detlefs, Jul 18 2010

EXTENSIONS

Definition corrected by Bruno Berselli, Jul 20 2010

STATUS

approved

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Last modified April 20 16:17 EDT 2019. Contains 322310 sequences. (Running on oeis4.)