Lower triangular matrix T = Pascal lower triangular matrix divided on the left by its entry-square.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =-2a(5) =1a(6) =0a(7) =12a(8) =-6a(9) =1a(10) =0a(11) =-132a(12) =66a(13) =-12a(14) =1a(15) =0a(16) =2280a(17) =-1140a(18) =210a(19) =-20a(20) =1a(21) =0a(22) =-56760a(23) =28380a(24) =-5240a(25) =510a(26) =-30a(27) =1a(28) =0a(29) =1923600