Starting positions of strings of five 9's in the decimal expansion of Pi.

Terms

a(0) =762a(1) =763a(2) =19446a(3) =56988a(4) =161862a(5) =193034a(6) =193035a(7) =220568a(8) =456189a(9) =626757a(10) =1104484a(11) =1143176a(12) =1200370a(13) =1240405a(14) =1437382a(15) =1500808a(16) =1532245a(17) =1593224a(18) =1623041a(19) =1681741a(20) =1722776a(21) =1722777a(22) =1722778a(23) =1985813a(24) =1985814a(25) =2280176a(26) =2474024