Second column (m=1) of triangle A129462 (v=2 member of a certain family).

A129464

Second column (m=1) of triangle A129462 (v=2 member of a certain family).

Terms

    a(0) =1a(1) =-2a(2) =-6a(3) =-48a(4) =-720a(5) =-17280a(6) =-604800a(7) =-29030400a(8) =-1828915200a(9) =-146313216000

External references