a(n) is the smallest k>1 such that d(n,k)^2 = d(n^2,k^2), where d(n,k) is the n-th divisor of a number k, for n>1; and a(1) = 1.

A286527

a(n) is the smallest k>1 such that d(n,k)^2 = d(n^2,k^2), where d(n,k) is the n-th divisor of a number k, for n>1; and a(1) = 1.

Terms

    a(0) =1a(1) =6a(2) =70a(3) =210a(4) =2622a(5) =9282a(6) =277134a(7) =1159710a(8) =8064030a(9) =56185590a(10) =186605430a(11) =2748628830a(12) =5053814978a(13) =72641163166

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