a(n) = n-th perfect number divided by 2^n, minus 1.

A134706

a(n) = n-th perfect number divided by 2^n, minus 1.

Terms

    a(0) =2a(1) =6a(2) =61a(3) =507a(4) =1048447a(5) =134216703a(6) =1073739775

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