0,3

a(n)=2*3^n/3-5*0^n/12-(n+1)2^(n-2)

a(0)=2/3-5/12-1/4=0 (use 0^0=1).

Sequence in context: A006535 A041633 A034215 this_sequence A113300 A007052 A048580

Adjacent sequences: A083577 A083578 A083579 this_sequence A083581 A083582 A083583

easy,nonn

Paul Barry (pbarry(AT)wit.ie), May 01 2003