Numbers n such that n=d_1!!^2+d_2!!^2+...+d_k!!^2 where d_1d_2...d_k is the decimal expansion of n.
A139409
Numbers n such that n=d_1!!^2+d_2!!^2+...+d_k!!^2 where d_1d_2...d_k is the decimal expansion of n.
Terms
- a(0) =1a(1) =11037a(2) =158712a(3) =904117a(4) =906373
External references
- oeis: A139409