Numbers k of the form k=p*2^x, with p prime and x>=0, such that tau(k)-m = A058933(k) where tau(k) is the number of divisors of k and m is 0 or 1.

A058953

Numbers k of the form k=p*2^x, with p prime and x>=0, such that tau(k)-m = A058933(k) where tau(k) is the number of divisors of k and m is 0 or 1.

Terms

    a(0) =2a(1) =3a(2) =10a(3) =28a(4) =176a(5) =832a(6) =4352a(7) =19456a(8) =47104a(9) =1900544a(10) =4063232a(11) =77594624a(12) =687865856a(13) =2885681152

External references