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%I #21 Dec 02 2022 17:33:03
%S 1,2,2,6,6,30,30,210,210,210,210,2310,2310,30030,30030,30030,30030,
%T 510510,510510,9699690,9699690,9699690,9699690,223092870,223092870,
%U 223092870,223092870,223092870,223092870,6469693230,6469693230,200560490130,200560490130
%N Geometric mean of n-th row of A080508.
%F For n != 2, a(n) = A034386(n-1). - _Jeppe Stig Nielsen_, Nov 04 2018
%o (PARI) a(n) = {if (n == 1, return (1)); if (n == 2, return (2)); f = factor((n-1)!); prod(i=1, #f~, f[i,1]);} \\ _Michel Marcus_, Aug 30 2013
%o (PARI) a(n) = if(n==2, 2, prod(i=1,primepi(n-1),prime(i))) \\ _Jeppe Stig Nielsen_, Nov 04 2018
%Y Cf. A080509.
%K nonn
%O 1,2
%A _Michel Marcus_, Aug 30 2013