Primes that can be generated by the concatenation in base 3, in descending order, of two consecutive integers read in base 10.
A287301
Primes that can be generated by the concatenation in base 3, in descending order, of two consecutive integers read in base 10.
Terms
- a(0) =3a(1) =7a(2) =11a(3) =59a(4) =79a(5) =89a(6) =307a(7) =419a(8) =503a(9) =587a(10) =643a(11) =727a(12) =2377a(13) =2459a(14) =3361a(15) =3607a(16) =3853a(17) =4099a(18) =4591a(19) =4673a(20) =4919a(21) =5657a(22) =5821a(23) =5903a(24) =6067a(25) =20983a(26) =21227a(27) =22447a(28) =22691a(29) =23911
External references
- oeis: A287301