Numbers k that divide the sum of the first k numbers from Flavius Josephus's sieve (A099074).

Terms

a(0) =1a(1) =2a(2) =4a(3) =10a(4) =16a(5) =20a(6) =41a(7) =44a(8) =55a(9) =67a(10) =76a(11) =548a(12) =751a(13) =1962a(14) =3318a(15) =3760a(16) =5873a(17) =7729a(18) =8074a(19) =15502a(20) =33847a(21) =65888a(22) =89836a(23) =167786a(24) =512688a(25) =1401686a(26) =2520988a(27) =2897654a(28) =5552333a(29) =6352323