Primitive abundant numbers version 2 (abundant numbers all of whose proper divisors are deficient numbers) and increasing any prime factor in the prime factorization gives a non-abundant number when factored back.
A335557
Primitive abundant numbers version 2 (abundant numbers all of whose proper divisors are deficient numbers) and increasing any prime factor in the prime factorization gives a non-abundant number when factored back.
Terms
- a(0) =20a(1) =70a(2) =104a(3) =464a(4) =650a(5) =836a(6) =945a(7) =1575a(8) =1952a(9) =2002a(10) =2205a(11) =3230a(12) =4030a(13) =5830a(14) =7192a(15) =7232a(16) =7425a(17) =7912a(18) =8415a(19) =8925a(20) =9555a(21) =11096a(22) =11132a(23) =11492a(24) =12705a(25) =15028a(26) =17816a(27) =20482a(28) =32128a(29) =32445
External references
- oeis: A335557