Coefficient array for certain polynomials N(3; k,x) (rising powers of x).

Terms

a(0) =1a(1) =3a(2) =-3a(3) =1a(4) =12a(5) =-29a(6) =30a(7) =-15a(8) =3a(9) =55a(10) =-222a(11) =405a(12) =-417a(13) =252a(14) =-84a(15) =12a(16) =273a(17) =-1575a(18) =4203a(19) =-6678a(20) =6846a(21) =-4608a(22) =1980a(23) =-495a(24) =55a(25) =1428a(26) =-10812a(27) =38367a(28) =-83244a(29) =121518