Starting positions of strings of three 5's in the decimal expansion of Pi.

Terms

a(0) =177a(1) =1232a(2) =1450a(3) =2359a(4) =2674a(5) =7245a(6) =7317a(7) =7681a(8) =10145a(9) =10493a(10) =11319a(11) =14176a(12) =17052a(13) =18353a(14) =18717a(15) =18760a(16) =19811a(17) =20535a(18) =20982a(19) =21290a(20) =22011a(21) =22584a(22) =23103a(23) =24466a(24) =24467a(25) =24468a(26) =24820a(27) =24864a(28) =26364a(29) =26603