%I #9 Jun 01 2014 03:35:17
%S 1,4,10,18,36,57,77,110,141,177,232,270,337,402,453,566,610,721
%N One half of largest prime gap up to 10^n.
%C Row lengths of A213930.
%H <a href="/index/Pri#gaps">Index entries for primes, gaps between</a>
%F a(n) = A038460(n)/2.
%Y Cf. A213930, A038460.
%K nonn,hard,more
%O 1,2
%A _Washington Bomfim_, Jun 26 2012