Number of sphenic triples up to 10^n.

A215152

Number of sphenic triples up to 10^n.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =21a(4) =445a(5) =5457a(6) =55576a(7) =527138a(8) =4824694a(9) =43484124a(10) =389855718

External references