Composite squarefree numbers n such that the ratio (n - 1/2)/(p(i) + 1/2) is an integer, where p(i) are the prime factors of n.
A226111
Composite squarefree numbers n such that the ratio (n - 1/2)/(p(i) + 1/2) is an integer, where p(i) are the prime factors of n.
Terms
- a(0) =260813a(1) =960323a(2) =4572113a(3) =5991098a(4) =18912713a(5) =37481945a(6) =68688458a(7) =214337813a(8) =1418459963a(9) =1488523838a(10) =1905782603a(11) =1906387718a(12) =2416383938a(13) =3866147051a(14) =6153859058a(15) =6927221438a(16) =10696723538a(17) =12000312419a(18) =24529142138a(19) =43004079563a(20) =43648495313a(21) =54750300413
External references
- oeis: A226111