The first position of the first cycle of sequence {b_k}={b_k}(n) in A237671.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =213a(8) =237a(9) =61a(10) =1a(11) =7534a(12) =289a(13) =328a(14) =107a(15) =1291a(16) =787a(17) =23669a(18) =26237a(19) =1001a(20) =2563a(21) =52781a(22) =101705a(23) =22344a(24) =9952a(25) =68955a(26) =1169a(27) =278a(28) =225448a(29) =187013