Triangle read by rows: T(n, k) = floor(binomial(n, k - 1) * (k - 1)^(k - 1) * k *(n - k + 1)^(n - k) / 2).

A369025

Triangle read by rows: T(n, k) = floor(binomial(n, k - 1) * (k - 1)^(k - 1) * k *(n - k + 1)^(n - k) / 2).

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =2a(6) =0a(7) =4a(8) =6a(9) =18a(10) =0a(11) =32a(12) =36a(13) =72a(14) =216a(15) =0a(16) =312a(17) =320a(18) =540a(19) =1080a(20) =3200a(21) =0a(22) =3888a(23) =3750a(24) =5760a(25) =9720a(26) =19200a(27) =56250a(28) =0a(29) =58824

External references