Column 1 of A111549, which is the matrix log of A111544.

A111550

Column 1 of A111549, which is the matrix log of A111544.

Terms

    a(0) =0a(1) =2a(2) =6a(3) =32a(4) =222a(5) =1824a(6) =17016a(7) =176112a(8) =1993392a(9) =24438960a(10) =322294896a(11) =4548010032a(12) =68385367152

External references