List of numbers of the forms (2^(4m+3)-3)/5 and (2^(12m+4)-3)/13 arranged in increasing order.

A260953

List of numbers of the forms (2^(4m+3)-3)/5 and (2^(12m+4)-3)/13 arranged in increasing order.

Terms

    a(0) =1a(1) =1a(2) =25a(3) =409a(4) =5041a(5) =6553a(6) =104857a(7) =1677721a(8) =20648881a(9) =26843545a(10) =429496729a(11) =6871947673a(12) =84577817521a(13) =109951162777

External references