Let sigma*_m (n) be result of applying sum of anti-divisors m times to n; call n (m,k)-anti-perfect if sigma*_m (n) = k*n; sequence gives the (4,k)-anti-perfect numbers.

A229862

Let sigma*_m (n) be result of applying sum of anti-divisors m times to n; call n (m,k)-anti-perfect if sigma*_m (n) = k*n; sequence gives the (4,k)-anti-perfect numbers.

Terms

    a(0) =5a(1) =6a(2) =7a(3) =8a(4) =14a(5) =16a(6) =41a(7) =46a(8) =56a(9) =58a(10) =64a(11) =92a(12) =96a(13) =114a(14) =946a(15) =3307a(16) =3325a(17) =5186a(18) =5566a(19) =6596a(20) =6874a(21) =7982a(22) =8104a(23) =14621a(24) =17386a(25) =27024a(26) =44217a(27) =45970a(28) =84026a(29) =91282

External references