Conjectured values of first prime in the orbit f(m), f(f(m)), ..., where f(n) = A067599(n) and m = n-th composite number; or 0 if none exists.

A066817

Conjectured values of first prime in the orbit f(m), f(f(m)), ..., where f(n) = A067599(n) and m = n-th composite number; or 0 if none exists.

Terms

    a(0) =0a(1) =2131a(2) =23a(3) =3224591a(4) =0a(5) =0a(7) =0a(8) =0a(9) =0a(10) =2251a(11) =0a(12) =0a(13) =0a(14) =3224591a(17) =0a(19) =3224591a(22) =5171

External references