Numbers that set a record for the number of distinct composite numbers that can be obtained by permuting some subset of their digits.
A307623
Numbers that set a record for the number of distinct composite numbers that can be obtained by permuting some subset of their digits.
Terms
- a(0) =1a(1) =4a(2) =12a(3) =18a(4) =46a(5) =102a(6) =108a(7) =124a(8) =126a(9) =148a(10) =246a(11) =468a(12) =1002a(13) =1008a(14) =1014a(15) =1022a(16) =1023a(17) =1025a(18) =1026a(19) =1068a(20) =1234a(21) =1236a(22) =1245a(23) =1248a(24) =1268a(25) =1458a(26) =2456a(27) =2468a(28) =10023a(29) =10025
External references
- oeis: A307623