Starting positions of strings of seven 7's in the decimal expansion of Pi.

Terms

a(0) =3346228a(1) =3775287a(2) =14233532a(3) =24658601a(4) =24658602a(5) =24658603a(6) =35875631a(7) =43694095a(8) =49894382a(9) =62186154a(10) =66572803a(11) =71028071a(12) =72197101a(13) =79443657a(14) =82144203a(15) =82144204a(16) =98539214a(17) =140465346a(18) =142032741a(19) =145827935a(20) =150841049a(21) =169354584a(22) =175962557a(23) =200761136a(24) =206408340a(25) =224615219