Triangle L, read by rows, equal to the matrix log of triangle A173210.

Terms

a(0) =0a(1) =1a(2) =0a(3) =2a(4) =4a(5) =0a(6) =60a(7) =18a(8) =9a(9) =0a(10) =3528a(11) =672a(12) =72a(13) =16a(14) =0a(15) =377620a(16) =51600a(17) =3600a(18) =200a(19) =25a(20) =0a(21) =63642600a(22) =6883920a(23) =359100a(24) =13200a(25) =450a(26) =36a(27) =0a(28) =15485843814a(29) =1399989780