Primes p such that p+1 is palindromic.
A028981
Primes p such that p+1 is palindromic.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =43a(5) =211a(6) =241a(7) =251a(8) =271a(9) =281a(10) =433a(11) =443a(12) =463a(13) =827a(14) =857a(15) =877a(16) =887a(17) =2111a(18) =2221a(19) =2441a(20) =2551a(21) =4003a(22) =4663a(23) =4993a(24) =8117a(25) =8447a(26) =8887a(27) =20101a(28) =20201a(29) =21011
External references
- oeis: A028981