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

Terms

a(0) =1a(1) =2a(2) =2a(3) =9a(4) =15a(5) =8a(6) =64a(7) =156a(8) =144a(9) =52a(10) =625a(11) =2050a(12) =2675a(13) =1730a(14) =472a(15) =7776a(16) =32430a(17) =55000a(18) =50310a(19) =25108a(20) =5504a(21) =117649a(22) =599319a(23) =1258775a(24) =1484245a(25) =1052184a(26) =428036a(27) =78416a(28) =2097152a(29) =12669496