Triangle read by rows: terms T(n,k) of a binomial decomposition of n^n as Sum(k=0..n)T(n,k).

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =-4a(5) =8a(6) =0a(7) =9a(8) =-90a(9) =108a(10) =0a(11) =-16a(12) =576a(13) =-2352a(14) =2048a(15) =0a(16) =25a(17) =-2800a(18) =28800a(19) =-72900a(20) =50000a(21) =0a(22) =-36a(23) =11520a(24) =-262440a(25) =1440000a(26) =-2635380a(27) =1492992a(28) =0a(29) =49