%I
%S 2,4,24,282,738,8688,273413,92276646,73268943890,622074604151528
%N Index of smallest prime p such that there is a gap of 2^n between p and next prime.
%H T. R. Nicely, <a href="http://www.trnicely.net/gaps/gaplist.html">List of prime gaps</a>
%F a(n) =A000720[A000230[2^(n1)]] = Pi[Min{ppprevprime(p)=2^n}]
%Y Cf. A000230, A000720, A062529.
%K hard,nonn
%O 1,1
%A _Labos Elemer_, Jun 25 2001
%E a(9)a(10) from _Daniel Suteu_, Nov 18 2018 [based on data from A062529]
