Starting positions of strings of 2 4's in the decimal expansion of Pi.

Terms

a(0) =59a(1) =125a(2) =182a(3) =201a(4) =217a(5) =453a(6) =511a(7) =655a(8) =726a(9) =804a(10) =833a(11) =1249a(12) =1252a(13) =1508a(14) =1639a(15) =1904a(16) =2085a(17) =2261a(18) =2309a(19) =2350a(20) =2707a(21) =2708a(22) =2764a(23) =2799a(24) =2827a(25) =2845a(26) =2928a(27) =2929a(28) =3109a(29) =3139