Column 2 of triangle A111536; also equals column 0 of triangle A111541, which is the matrix log of triangle A111536.
A111538
Column 2 of triangle A111536; also equals column 0 of triangle A111541, which is the matrix log of triangle A111536.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =84a(4) =600a(5) =4908a(6) =44952a(7) =454344a(8) =5016768a(9) =60062352a(10) =775089312a(11) =10728930912a(12) =158638465536
External references
- oeis: A111538