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.
A226020
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) =13702a(1) =42997a(2) =1004062a(3) =1684462a(4) =38447662a(5) =40243549a(6) =70801087a(7) =107728582a(8) =409055062a(9) =594021862a(10) =760767262a(11) =1045475437a(12) =1104435202a(13) =1471700587a(14) =1686747562a(15) =1920806662a(16) =3136180162a(17) =3469071937a(18) =5291041297a(19) =7239716347a(20) =7903353667a(21) =12738885862a(22) =22711489762
External references
- oeis: A226020