a(n) is a non-palindromic composite located between twin primes whose reverse, which is less than it, is also located between twin primes.

A103741

a(n) is a non-palindromic composite located between twin primes whose reverse, which is less than it, is also located between twin primes.

Terms

    a(0) =60a(1) =240a(2) =270a(3) =600a(4) =810a(5) =822a(6) =2130a(7) =2340a(8) =2802a(9) =8010a(10) =8220a(11) =8430a(12) =8838a(13) =8862a(14) =20550a(15) =22740a(16) =23202a(17) =23370a(18) =23910a(19) =25410a(20) =26880a(21) =27240a(22) =28410a(23) =28572a(24) =28662a(25) =29022a(26) =29760a(27) =80472a(28) =81702a(29) =81930

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