a(n) = sqrt(A077204(n)).

Terms

a(0) =1a(1) =4a(2) =25a(3) =71a(4) =101a(5) =317a(6) =3001a(7) =3163a(8) =30001a(9) =31623a(10) =300001a(11) =316228a(12) =2000001a(13) =3162278a(14) =20000001a(15) =31622777a(16) =300000001a(17) =316227767a(18) =3000000001a(19) =3162277661a(20) =10000000001a(21) =31622776602a(22) =200000000001