a(n) = AR(n) is the total number of aperiodic k-reverses of n.

Terms

a(0) =1a(1) =1a(2) =3a(3) =6a(4) =15a(5) =21a(6) =49a(7) =72a(8) =126a(9) =195a(10) =341a(11) =486a(12) =819a(13) =1225a(14) =1845a(15) =2880a(16) =4335a(17) =6552a(18) =9709a(19) =14850a(20) =21315a(21) =33077a(22) =47081a(23) =72360a(24) =102300a(25) =158067a(26) =220752a(27) =341334a(28) =475107a(29) =732735