Starting positions of strings of 2 5's in the decimal expansion of Pi.

Terms

a(0) =130a(1) =177a(2) =178a(3) =315a(4) =809a(5) =914a(6) =1101a(7) =1139a(8) =1169a(9) =1232a(10) =1233a(11) =1256a(12) =1362a(13) =1450a(14) =1451a(15) =1499a(16) =1517a(17) =1570a(18) =1663a(19) =1725a(20) =1744a(21) =2090a(22) =2216a(23) =2222a(24) =2359a(25) =2360a(26) =2481a(27) =2622a(28) =2674a(29) =2675