Numbers representable as x^x * y^y, with x > y > 1.

Terms

a(0) =108a(1) =1024a(2) =6912a(3) =12500a(4) =84375a(5) =186624a(6) =800000a(7) =1259712a(8) =3294172a(9) =11943936a(10) =22235661a(11) =67108864a(12) =145800000a(13) =210827008a(14) =452984832a(15) =1549681956a(16) =2573571875a(17) =4294967296a(18) =10460353203a(19) =38423222208a(20) =40000000000a(21) =52428800000a(22) =99179645184a(23) =270000000000a(24) =782757789696