Gridgeman pairs in increasing order: pairs of palindromic primes which differ only in their middle digits whose difference is equal to 1.

A246488

Gridgeman pairs in increasing order: pairs of palindromic primes which differ only in their middle digits whose difference is equal to 1.

Terms

    a(0) =2a(1) =3a(2) =181a(3) =191a(4) =373a(5) =383a(6) =787a(7) =797a(8) =919a(9) =929a(10) =10501a(11) =10601a(12) =11311a(13) =11411a(14) =12721a(15) =12821a(16) =13831a(17) =13931a(18) =15451a(19) =15551a(20) =16561a(21) =16661a(22) =19891a(23) =19991a(24) =30103a(25) =30203a(26) =30703a(27) =30803a(28) =32323a(29) =32423

External references