Triangle read by rows: T(n,k) = A239672(n)/(A239672(k) * A239672(n-k)).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =63a(5) =1a(6) =1a(7) =728a(8) =728a(9) =1a(10) =1a(11) =4032a(12) =46592a(13) =4032a(14) =1a(15) =1a(16) =15624a(17) =999936a(18) =999936a(19) =15624a(20) =1a(21) =1a(22) =45864a(23) =11374272a(24) =62995968a(25) =11374272a(26) =45864a(27) =1a(28) =1a(29) =117648