Triangle read by rows: T(n,k) = coefficient of x^(n-k) in Product_{m=0..n-1} (x+(-1)^m*m!), 0 <= k <= n.
A260612
Triangle read by rows: T(n,k) = coefficient of x^(n-k) in Product_{m=0..n-1} (x+(-1)^m*m!), 0 <= k <= n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =0a(5) =-1a(6) =1a(7) =2a(8) =-1a(9) =-2a(10) =1a(11) =-4a(12) =-13a(13) =4a(14) =12a(15) =1a(16) =20a(17) =-109a(18) =-308a(19) =108a(20) =288a(21) =1a(22) =-100a(23) =-2509a(24) =12772a(25) =37068a(26) =-12672a(27) =-34560a(28) =1a(29) =620
External references
- oeis: A260612