Starting positions of strings of six 4's in the decimal expansion of Pi.

Terms

a(0) =828499a(1) =1264270a(2) =1691163a(3) =3280219a(4) =3311569a(5) =3552343a(6) =6252652a(7) =6885738a(8) =7282004a(9) =10049065a(10) =10549618a(11) =10567078a(12) =11588274a(13) =11793700a(14) =12376485a(15) =14302933a(16) =15107731a(17) =15408837a(18) =16027040a(19) =16963877a(20) =17122307a(21) =17893953a(22) =17893954a(23) =18125464a(24) =18681327a(25) =22931745a(26) =22931746a(27) =22931747