a(n) = f(n,n) where f(0,n) = f(n,0) = n^n and f(m,n) = f(m-1,n) + f(m,n-1) + f(m-1,n-1).
A346385
a(n) = f(n,n) where f(0,n) = f(n,0) = n^n and f(m,n) = f(m-1,n) + f(m,n-1) + f(m-1,n-1).
Terms
- a(0) =1a(1) =3a(2) =19a(3) =151a(4) =1439a(5) =16651a(6) =234651a(7) =3966271a(8) =78504063a(9) =1778555587a(10) =45302809003
External references
- oeis: A346385