Obverse convolution A000045**A000045; see Comments.
A374848
Obverse convolution A000045**A000045; see Comments.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =16a(4) =162a(5) =3600a(6) =147456a(7) =12320100a(8) =2058386904a(9) =701841817600
External references
- oeis: A374848