a(n) = floor(M(g(n-1)+1,..,g(n))), where M = harmonic mean and g(n) = n^5.

Terms

a(0) =1a(1) =10a(2) =104a(3) =543a(4) =1883a(5) =5102a(6) =11717a(7) =23906a(8) =44626a(9) =77735a(10) =128110a(11) =201769a(12) =305989a(13) =449428a(14) =642243a(15) =896212a(16) =1224852a(17) =1643541a(18) =2169636a(19) =2822595a(20) =3624095a(21) =4598154a(22) =5771249a(23) =7172438a(24) =8833478a(25) =10788947a(26) =13076362a(27) =15736301a(28) =18812521a(29) =22352080