Square roots of highly composite numbers, floored down: a(n) = A000196(A002182(n)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =6a(7) =6a(8) =7a(9) =10a(10) =13a(11) =15a(12) =18a(13) =26a(14) =28a(15) =35a(16) =40a(17) =50a(18) =70a(19) =86a(20) =100a(21) =122a(22) =141a(23) =158a(24) =166a(25) =212a(26) =224a(27) =235a(28) =288a(29) =332