Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.

Terms

a(0) =1a(1) =1a(2) =6a(3) =3a(4) =50a(5) =45a(6) =5a(7) =518a(8) =637a(9) =161a(10) =7a(11) =6354a(12) =9567a(13) =3744a(14) =414a(15) =9a(16) =89782a(17) =156123a(18) =80784a(19) =14850a(20) =880a(21) =11a(22) =1435330a(23) =2781389a(24) =1749969a(25) =446706a(26) =46150a(27) =1651a(28) =13a(29) =25625910