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

A369072

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

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =2a(6) =0a(7) =13a(8) =9a(9) =18a(10) =0a(11) =128a(12) =72a(13) =96a(14) =216a(15) =0a(16) =1562a(17) =800a(18) =900a(19) =1350a(20) =3200a(21) =0a(22) =23328a(23) =11250a(24) =11520a(25) =14580a(26) =23040a(27) =56250a(28) =0a(29) =411771

External references