Numbers k such that 10^k*(4+3*10^k)+3 is prime.

A171582

Numbers k such that 10^k*(4+3*10^k)+3 is prime.

Terms

    a(0) =2a(1) =6a(2) =72a(3) =246a(4) =273a(5) =292a(6) =915a(7) =14460a(8) =17830

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