Triangle in which row n consists of the coefficients in Sum_{m=0..n} x^m * Product_{k=m+1..n} (1-k*x), as read by rows.
A248925
Triangle in which row n consists of the coefficients in Sum_{m=0..n} x^m * Product_{k=m+1..n} (1-k*x), as read by rows.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =-2a(5) =1a(6) =1a(7) =-5a(8) =7a(9) =-2a(10) =1a(11) =-9a(12) =27a(13) =-30a(14) =9a(15) =1a(16) =-14a(17) =72a(18) =-165a(19) =159a(20) =-44a(21) =1a(22) =-20a(23) =156a(24) =-597a(25) =1149a(26) =-998a(27) =265a(28) =1a(29) =-27
External references
- oeis: A248925