a(0)=1. a(n) = sum{k=0 to n-1} a(a(k)(mod n)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =5a(5) =10a(6) =24a(7) =27a(8) =26a(9) =71a(10) =77a(11) =124a(12) =242a(13) =541a(14) =1302a(15) =909a(16) =2241a(17) =3068a(18) =5755a(19) =14124a(20) =4366a(21) =33254a(22) =17185a(23) =30646a(24) =119061a(25) =439627a(26) =1628886a(27) =3445777a(28) =10356114a(29) =8544543