Numbers a(n)=k such that (1/3)*(5*(2k+1)^2-2) is A057080(n)^2.

A145608

Numbers a(n)=k such that (1/3)*(5*(2k+1)^2-2) is A057080(n)^2.

Terms

    a(0) =0a(1) =3a(2) =27a(3) =216a(4) =1704a(5) =13419a(6) =105651a(7) =831792a(8) =6548688a(9) =51557715a(10) =405913035a(11) =3195746568a(12) =25160059512a(13) =198084729531

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