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

Terms

a(0) =24466a(1) =24467a(2) =33172a(3) =39861a(4) =39862a(5) =46512a(6) =52352a(7) =106626a(8) =129828a(9) =135904a(10) =147625a(11) =159619a(12) =162812a(13) =167310a(14) =205034a(15) =205035a(16) =205193a(17) =205194a(18) =219639a(19) =234924a(20) =244453a(21) =244454a(22) =244455a(23) =249745a(24) =253209a(25) =253210a(26) =253211a(27) =267581a(28) =288855a(29) =314518