Column 0 of triangle A117270, which is the matrix log of triangle A117269.

A117271

Column 0 of triangle A117270, which is the matrix log of triangle A117269.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =12a(4) =134a(5) =2100a(6) =42302a(7) =1041852a(8) =30331814a(9) =1019056260a(10) =38805685262

External references