Numbers m for which Sum_{i=1..k} (p(i)/(p(i)-1)) + Product_{i=1..k} (p(i)/(p(i)-1)) is an integer, where p(i) are the k prime factors of m (with multiplicity).
A224912
Numbers m for which Sum_{i=1..k} (p(i)/(p(i)-1)) + Product_{i=1..k} (p(i)/(p(i)-1)) is an integer, where p(i) are the k prime factors of m (with multiplicity).
Terms
- a(0) =2a(1) =3a(2) =4a(3) =8a(4) =16a(5) =32a(6) =36a(7) =64a(8) =72a(9) =108a(10) =128a(11) =144a(12) =200a(13) =256a(14) =288a(15) =396a(16) =512a(17) =528a(18) =576a(19) =588a(20) =1024a(21) =1040a(22) =1152a(23) =1296a(24) =2000a(25) =2048a(26) =2304a(27) =2320a(28) =2400a(29) =2592
External references
- oeis: A224912