Numbers n such that n is R(n)-th composite number where R(n) is the digit reversal of n (A002808(A004086(n))=n).

A100414

Numbers n such that n is R(n)-th composite number where R(n) is the digit reversal of n (A002808(A004086(n))=n).

Terms

    a(0) =21a(1) =48034a(2) =69926a(3) =180461a(4) =214591a(5) =409473a(6) =563715a(7) =41630193a(8) =253385633342a(9) =661494322636

External references