Triangle read by rows; row 0 is 0; the n-th row for n>0 contains the coefficients in the expansion of (1-x)*(1+x)^(n-1).
A037012
Triangle read by rows; row 0 is 0; the n-th row for n>0 contains the coefficients in the expansion of (1-x)*(1+x)^(n-1).
Terms
- a(0) =0a(1) =1a(2) =-1a(3) =1a(4) =0a(5) =-1a(6) =1a(7) =1a(8) =-1a(9) =-1a(10) =1a(11) =2a(12) =0a(13) =-2a(14) =-1a(15) =1a(16) =3a(17) =2a(18) =-2a(19) =-3a(20) =-1a(21) =1a(22) =4a(23) =5a(24) =0a(25) =-5a(26) =-4a(27) =-1a(28) =1a(29) =5
External references
- oeis: A037012