Starting positions of strings of 2 9's in the decimal expansion of Pi.

Terms

a(0) =44a(1) =79a(2) =459a(3) =705a(4) =747a(5) =762a(6) =763a(7) =764a(8) =765a(9) =766a(10) =777a(11) =1063a(12) =1073a(13) =1385a(14) =1395a(15) =1428a(16) =1477a(17) =1532a(18) =1730a(19) =1981a(20) =2000a(21) =2071a(22) =2114a(23) =2218a(24) =2241a(25) =2285a(26) =2335a(27) =2436a(28) =2644a(29) =2796