Numbers k such that bsigma(k) = 2k + 2, where bsigma(k) is the sum of bi-unitary divisors of k (A188999).

A322162

Numbers k such that bsigma(k) = 2k + 2, where bsigma(k) is the sum of bi-unitary divisors of k (A188999).

Terms

    a(0) =80a(1) =104a(2) =832a(3) =1952a(4) =7424a(5) =62464a(6) =522752a(7) =8382464a(8) =33357824a(9) =134193152a(10) =267649024a(11) =17167286272a(12) =549754241024

External references