[seqfan] A074506

[vincenzo.librandi at tin.it]

For the controll:
 %F A074506 a(n)=7*a(n-1)-12*a(n-2)+6 with a(1)=3, a(2)=8 [From Vincenzo
Librandi (vincenzo.librandi(AT)tin.it), Jul 16 2010]

Best regardsVincenzo