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%I #10 Jun 20 2021 13:20:14
%S 1,5,25,125,15625,244140625,59604644775390625,
%T 3552713678800500929355621337890625,
%U 12621774483536188886587657044524579674771302961744368076324462890625
%N a(0)=1, a(1)=5; for n>=2, a(n) = 5^A042950(n-2).
%Y Cf. A042950, A167182, A172489, A175129.
%K nonn
%O 0,2
%A _Giovanni Teofilatto_, Feb 24 2010
%E Revised by _N. J. A. Sloane_, Jun 20 2021
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