Irregular triangle read by rows of coefficients arising in the enumeration of doubly stochastic matrices of integers, n >= 1, 0 <= k <= (n-1)*(n-2).
A259473
Irregular triangle read by rows of coefficients arising in the enumeration of doubly stochastic matrices of integers, n >= 1, 0 <= k <= (n-1)*(n-2).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =14a(7) =87a(8) =148a(9) =87a(10) =14a(11) =1a(12) =1a(13) =103a(14) =4306a(15) =63110a(16) =388615a(17) =1115068a(18) =1575669a(19) =1115068a(20) =388615a(21) =63110a(22) =4306a(23) =103a(24) =1a(25) =1a(26) =694a(27) =184015a(28) =15902580a(29) =567296265
External references
- oeis: A259473