Numbers k with a prime factor other than 2 or 5 such that digsum(k) = digsum(repeating period of 1/k).
A390294
Numbers k with a prime factor other than 2 or 5 such that digsum(k) = digsum(repeating period of 1/k).
Terms
- a(0) =3a(1) =6a(2) =12a(3) =15a(4) =24a(5) =30a(6) =60a(7) =120a(8) =150a(9) =240a(10) =300a(11) =303a(12) =600a(13) =606a(14) =1200a(15) =1500a(16) =1515a(17) =2400a(18) =2424a(19) =3000a(20) =3030a(21) =6000a(22) =6060a(23) =8943a(24) =12000a(25) =13332a(26) =15000a(27) =15150a(28) =19392a(29) =24000
External references
- oeis: A390294