A058010 - OEIS

%I #10 Mar 15 2020 17:03:26

%S 2,17,179,2221,27457,506683,14161729,368345293,9672485827,

%T 318083817907,12695664159413

%N The main diagonal of N. Fernandez's Order of Primeness array.

%H N. Fernandez, <a href="http://www.borve.org/primeness/FOP.html">An order of primeness, F(p)</a>

%H N. Fernandez, <a href="/A006450/a006450.html">An order of primeness</a> [cached copy, included with permission of the author]

%t a = Select[ Range[ 20 ], ! PrimeQ[ # ] & ] Table[ Nest[ Prime, a[ [ n ] ], n ], {n, 1, 11} ]

%Y Main diagonal of A236542.

%Y Cf. A049077 - A049081, A007097, A057450 - A057453, A057456, A057457.

%K nonn,more

%O 1,1

%A _Robert G. Wilson v_, Nov 13 2000