Numbers n such that pi(n) = P(d_1!!)*P(d_2!!)*...*P(d_k!!) where d_1 d_2 ... d_k is the decimal expansion of n and P(i) is i-th prime.
A098684
Numbers n such that pi(n) = P(d_1!!)*P(d_2!!)*...*P(d_k!!) where d_1 d_2 ... d_k is the decimal expansion of n and P(i) is i-th prime.
Terms
- a(0) =10a(1) =30a(2) =123a(3) =41402a(4) =1400523a(5) =3173000a(6) =3173001a(7) =3173010a(8) =3173011a(9) =351226103a(10) =351226113a(11) =351226130a(12) =351226131
External references
- oeis: A098684