Triangle T(n, k, q) = (1-q^n)*(1/k)*binomial(n-1, k-1)*binomial(n, k-1) - (1-q^n) + 1, for q = 4, read by rows.

A174733

Triangle T(n, k, q) = (1-q^n)*(1/k)*binomial(n-1, k-1)*binomial(n, k-1) - (1-q^n) + 1, for q = 4, read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-125a(5) =1a(6) =1a(7) =-1274a(8) =-1274a(9) =1a(10) =1a(11) =-9206a(12) =-19436a(13) =-9206a(14) =1a(15) =1a(16) =-57329a(17) =-200654a(18) =-200654a(19) =-57329a(20) =1a(21) =1a(22) =-327659a(23) =-1703831a(24) =-2850641a(25) =-1703831a(26) =-327659a(27) =1a(28) =1a(29) =-1769444

External references