Numbers m such that m divides Sum_{k = 1..m} A000005(k).

Terms

a(0) =1a(1) =4a(2) =5a(3) =15a(4) =42a(5) =44a(6) =47a(7) =121a(8) =336a(9) =340a(10) =347a(11) =930a(12) =2548a(13) =6937a(14) =6947a(15) =51322a(16) =379097a(17) =379131a(18) =379133a(19) =2801205a(20) =20698345a(21) =56264090a(22) =56264197a(23) =152941920a(24) =152942012a(25) =8350344420a(26) =61701166395a(27) =455913379395a(28) =455913379831