Numbers n for which 2 < A257993(A276086(A276086(n))) < A257993(n), where A276086 converts the primorial base expansion of n into its prime product form, and A257993 returns the index of the least prime not present in its argument.
A328762
Numbers n for which 2 < A257993(A276086(A276086(n))) < A257993(n), where A276086 converts the primorial base expansion of n into its prime product form, and A257993 returns the index of the least prime not present in its argument.
Terms
- a(0) =210a(1) =1470a(2) =5250a(3) =6510a(4) =7140a(5) =8400a(6) =9450a(7) =10710a(8) =14490a(9) =15750a(10) =16380a(11) =17640a(12) =18690a(13) =19950a(14) =23730a(15) =24990a(16) =25620a(17) =26880a(18) =27930a(19) =29190a(20) =30030a(21) =31290a(22) =32340a(23) =33600a(24) =37380a(25) =38640a(26) =39270a(27) =40530a(28) =41580a(29) =42840
External references
- oeis: A328762