Decimal expansion of square root of 20.

Terms

a(0) =4a(1) =4a(2) =7a(3) =2a(4) =1a(5) =3a(6) =5a(7) =9a(8) =5a(9) =4a(10) =9a(11) =9a(12) =9a(13) =5a(14) =7a(15) =9a(16) =3a(17) =9a(18) =2a(19) =8a(20) =1a(21) =8a(22) =3a(23) =4a(24) =7a(25) =3a(26) =3a(27) =7a(28) =4a(29) =6