Triangle read by rows: row n contains the numbers C(n,k)^(k-1) for 0 <= k <= n-1, n >= 1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =3a(6) =1a(7) =1a(8) =6a(9) =16a(10) =1a(11) =1a(12) =10a(13) =100a(14) =125a(15) =1a(16) =1a(17) =15a(18) =400a(19) =3375a(20) =1296a(21) =1a(22) =1a(23) =21a(24) =1225a(25) =42875a(26) =194481a(27) =16807a(28) =1a(29) =1