Sum{k=1 to n} H(k) k!, where H(k) = sum{j=1 to k} 1/j.
A097422
Sum{k=1 to n} H(k) k!, where H(k) = sum{j=1 to k} 1/j.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =15a(4) =65a(5) =339a(6) =2103a(7) =15171a(8) =124755a(9) =1151331a(10) =11779971a(11) =132323811a(12) =1618766691a(13) =21421525731a(14) =304887173091
External references
- oeis: A097422