Primes that can be generated by the concatenation in base 9, in descending order, of two consecutive integers read in base 10.
A287313
Primes that can be generated by the concatenation in base 9, in descending order, of two consecutive integers read in base 10.
Terms
- a(0) =19a(1) =29a(2) =59a(3) =79a(4) =89a(5) =983a(6) =1229a(7) =1721a(8) =2131a(9) =2213a(10) =2377a(11) =2459a(12) =3361a(13) =3607a(14) =3853a(15) =4099a(16) =4591a(17) =4673a(18) =4919a(19) =5657a(20) =5821a(21) =5903a(22) =6067a(23) =60589a(24) =64969a(25) =65699a(26) =70079a(27) =72269a(28) =76649a(29) =78839
External references
- oeis: A287313