a(n) is the smallest prime p such that omega(p^n - 1) is equal to n, where omega = A001221.

A379450

a(n) is the smallest prime p such that omega(p^n - 1) is equal to n, where omega = A001221.

Terms

    a(0) =3a(1) =5a(2) =7a(3) =11a(4) =31a(5) =11a(6) =79a(7) =47a(8) =211a(9) =113a(10) =2473a(11) =47a(12) =45841a(13) =389a(14) =1123a(15) =1061

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