a(0) = 1, a(n) = smallest squarefree number == 1 (mod a(n-1)) with n prime divisors.

A087526

a(0) = 1, a(n) = smallest squarefree number == 1 (mod a(n-1)) with n prime divisors.

Terms

    a(0) =1a(1) =2a(2) =15a(3) =286a(4) =8295a(5) =6926326a(6) =5063144307

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