0,2

Row sums of A104878.

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

Sequence in context: A054197 A137856 A090375 this_sequence A156805 A113153 A171719

Adjacent sequences: A104876 A104877 A104878 this_sequence A104880 A104881 A104882

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Mar 28 2005