Number of irregular primes (A000928) less than 10^n.

A092901

Number of irregular primes (A000928) less than 10^n.

Terms

    a(0) =0a(1) =3a(2) =64a(3) =497a(4) =3789a(5) =30870a(6) =261871a(7) =2266482a(8) =20006269

External references