Numbers k such that k = (sum of distinct prime factors of k)*(product of distinct prime factors of k).
A068999
Numbers k such that k = (sum of distinct prime factors of k)*(product of distinct prime factors of k).
Terms
- a(0) =4a(1) =9a(2) =25a(3) =49a(4) =121a(5) =169a(6) =289a(7) =300a(8) =361a(9) =504a(10) =529a(11) =841a(12) =961a(13) =980a(14) =1056a(15) =1369a(16) =1404a(17) =1575a(18) =1681a(19) =1849a(20) =2209a(21) =2600a(22) =2736a(23) =2809a(24) =3481a(25) =3721a(26) =4489a(27) =4851a(28) =5041a(29) =5329
External references
- oeis: A068999