Pairs of numbers a, b for which sigma*(a)=b and sigma(b)-b-1=a, where sigma*(n) is the sum of the anti-divisors of n.

A192292

Pairs of numbers a, b for which sigma*(a)=b and sigma(b)-b-1=a, where sigma*(n) is the sum of the anti-divisors of n.

Terms

    a(0) =7a(1) =10a(2) =14a(3) =16a(4) =45a(5) =86a(6) =2379a(7) =2324a(8) =4213a(9) =5866a(10) =27323a(11) =33604a(12) =1303227a(13) =1737628a(14) =3722831a(15) =4208308a(16) =15752651a(17) =18706108a(18) =6094085371a(19) =8114352508a(20) =30090695519a(21) =40119052564

External references