Integer part of Gauss's Arithmetic-Geometric Mean M(1,n^4).

Terms

a(0) =1a(1) =6a(2) =22a(3) =58a(4) =125a(5) =238a(6) =411a(7) =663a(8) =1012a(9) =1482a(10) =2094a(11) =2875a(12) =3852a(13) =5052a(14) =6508a(15) =8250a(16) =10314a(17) =12735a(18) =15550a(19) =18798a(20) =22521a(21) =26760a(22) =31559a(23) =36965a(24) =43023a(25) =49783a(26) =57296a(27) =65612a(28) =74786a(29) =84873