0,2

a(n)=sum{k=0..floor(n/2), ((k+2)^(n-2k)+k)/(k+1)}

Sequence in context: A144520 A101399 A018109 this_sequence A166300 A038149 A046745

Adjacent sequences: A123488 A123489 A123490 this_sequence A123492 A123493 A123494

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Oct 01 2006