A103480 Row sums of A103462.

1, 2, 4, 7, 13, 28, 72, 217, 741, 2790, 11388, 49875, 232781, 1151928, 6018800, 33087221, 190780229, 1150653938, 7241710948, 47454745823, 323154696205, 2282779990516, 16700904488728, 126356632390321, 987303454928997

Offset: 0

Author

Paul Barry, Feb 07 2005

Keywords

• easy
• nonn

Formula

a(n)=sum{k=0..n, (n-k)^k}+n=sum{k=0..n, k^(n-k)}+n; a(n+1)=A026898(n)+n+1.