Numbers k that divide s(k), where s(1)=1, s(j)=23*s(j-1)+j.

Terms

a(0) =1a(1) =11a(2) =23a(3) =121a(4) =253a(5) =1331a(6) =2783a(7) =10603a(8) =14641a(9) =29647a(10) =30613a(11) =87967a(12) =116633a(13) =161051a(14) =326117a(15) =336743a(16) =967637a(17) =1282963a(18) =1771561a(19) =2023241a(20) =3587287a(21) =3704173a(22) =4887983a(23) =9809591a(24) =10644007a(25) =13667267a(26) =14112593a(27) =19487171a(28) =19765471a(29) =22255651