Coefficient triangle of certain polynomials N(5; m,x).

Terms

a(0) =1a(1) =1a(2) =6a(3) =1a(4) =14a(5) =21a(6) =1a(7) =24a(8) =84a(9) =56a(10) =1a(11) =36a(12) =216a(13) =336a(14) =126a(15) =1a(16) =50a(17) =450a(18) =1200a(19) =1050a(20) =252a(21) =1a(22) =66a(23) =825a(24) =3300a(25) =4950a(26) =2772a(27) =462a(28) =1a(29) =84