Triangle, read by rows, where T(0,0) = 1, T(n,k) = (-1)^(n+k)*T(n-1,k) + T(n-1,k-1); a signed version of Pascal's triangle.
A108086
Triangle, read by rows, where T(0,0) = 1, T(n,k) = (-1)^(n+k)*T(n-1,k) + T(n-1,k-1); a signed version of Pascal's triangle.
Terms
- a(0) =1a(1) =-1a(2) =1a(3) =-1a(4) =-2a(5) =1a(6) =1a(7) =-3a(8) =-3a(9) =1a(10) =1a(11) =4a(12) =-6a(13) =-4a(14) =1a(15) =-1a(16) =5a(17) =10a(18) =-10a(19) =-5a(20) =1a(21) =-1a(22) =-6a(23) =15a(24) =20a(25) =-15a(26) =-6a(27) =1a(28) =1a(29) =-7
External references
- oeis: A108086