Triangle T read by rows: n-th row (n>=0) gives the non-vanishing coefficients of the polynomial q(n,x) = ((x+1)^(2^n) - (x-1)^(2^n))/2.
A281122
Triangle T read by rows: n-th row (n>=0) gives the non-vanishing coefficients of the polynomial q(n,x) = ((x+1)^(2^n) - (x-1)^(2^n))/2.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =4a(4) =8a(5) =56a(6) =56a(7) =8a(8) =16a(9) =560a(10) =4368a(11) =11440a(12) =11440a(13) =4368a(14) =560a(15) =16a(16) =32a(17) =4960a(18) =201376a(19) =3365856a(20) =28048800a(21) =129024480a(22) =347373600a(23) =565722720a(24) =565722720a(25) =347373600a(26) =129024480a(27) =28048800a(28) =3365856a(29) =201376
External references
- oeis: A281122