Sum of distinct prime factors of floor(Pi*10^n), Pi=3.14....

Terms

a(0) =3a(1) =31a(2) =159a(3) =352a(4) =169a(5) =314159a(6) =392701a(7) =10166a(8) =7995a(9) =9787003a(10) =28954814a(11) =157079632681a(12) =68250087a(13) =4349287a(14) =67757089a(16) =1230782a(17) =1307585156a(18) =14846149a(19) =1296180a(20) =1024025943a(21) =452477425a(22) =1492388104a(24) =989849547461