A176637 Partial sums of A000614.
2, 5, 11, 29, 235, 7888534, 8112499583888863266600, 42287533217833953489054778023401260839076169284900400366
Offset: 1
Keywords
Examples
a(5) = 2 + 3 + 6 + 18 + 206 = 235.
Formula
a(n) = SUM[i=1..n] A000614(i).
Comments