Triangle T(n, k) = H(n, k+1) - 2*H(n, k) - H(n, k-1), where H(n, k) = A060821(n+3, k), read by rows.

A140873

Triangle T(n, k) = H(n, k+1) - 2*H(n, k) - H(n, k-1), where H(n, k) = A060821(n+3, k), read by rows.

Terms

    a(0) =-60a(1) =-240a(2) =-280a(3) =840a(4) =-1440a(5) =-1200a(6) =3360a(7) =5040a(8) =-6720a(9) =-4704a(10) =-15120a(11) =26880a(12) =26880a(13) =-26880a(14) =-17024a(15) =-60480a(16) =-110880a(17) =161280a(18) =129024a(19) =-96768a(20) =-57600a(21) =332640a(22) =-604800a(23) =-705600a(24) =806400a(25) =564480a(26) =-322560a(27) =-184320a(28) =1330560a(29) =2882880

External references