Primes of form n.0.n+1, where '.' represents concatenation. Or, primes of form 10^(k+1)*n + n + 1, where k is the number of digits in n.
A096525
Primes of form n.0.n+1, where '.' represents concatenation. Or, primes of form 10^(k+1)*n + n + 1, where k is the number of digits in n.
Terms
- a(0) =607a(1) =809a(2) =20021a(3) =36037a(4) =38039a(5) =42043a(6) =48049a(7) =50051a(8) =66067a(9) =72073a(10) =78079a(11) =96097a(12) =1280129a(13) =1400141a(14) =1500151a(15) =1520153a(16) =1880189a(17) =2120213a(18) =2160217a(19) =2180219a(20) =2720273a(21) =2960297a(22) =3000301a(23) =3180319a(24) =3300331a(25) =3360337a(26) =3600361a(27) =3660367
External references
- oeis: A096525