[seqfan] A002061

[vincenzo.librandi at tin.it]

For the controll: %F A002061 a(n)=2*n+a(n-1)-4 (with a(1)=1) [From Vincenzo Librandi
(vincenzo.librandi(AT)tin.it), Jul 13 2010]
%e A002061 For n=2, a(2)=2*2+1-4=1: n=3, a(3)=2*3+1-4=3; n=4,
a(4)=2*4+3-4=7 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it),
Jul 13 2010]	
RegardsVincenzo