Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #8 Jan 23 2024 03:20:34
%S 1,4,15,77,543,5005,58671,845879,14636427,297816383,7007621133,
%T 188075111317,5691796357357,192358193107653
%N a(1) = 1, a(n) = prime(a(n-1)) + 2*a(n-1).
%t NestList[ Prime@# + 2# &, 1, 13]
%Y Cf. A007097, A074271, A179274, A179512, A179513, A179514, A179515, A179516, A179517, A179518.
%K nonn,more
%O 1,2
%A _Robert G. Wilson v_, Jul 17 2010