Numbers n such that n = pi(d_1!!*d_2!!*...*d_k!!) where d_1 d_2 ... d_k is the decimal expansion of n.
A110071
Numbers n such that n = pi(d_1!!*d_2!!*...*d_k!!) where d_1 d_2 ... d_k is the decimal expansion of n.
Terms
- a(0) =0a(1) =4a(2) =290a(3) =11387a(4) =1656281a(5) =538311474096
External references
- oeis: A110071