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Number of letters in n-th prime (in Latin)
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%I #5 Mar 31 2012 10:33:03

%S 3,4,7,6,7,8,11,11,11,12,12,14,15,15,17

%N Number of letters in n-th prime (in Latin)

%H Arndt Bruenner, <a href="http://www.arndt-bruenner.de/mathe/scripts/numeraliatab.htm">Table of Latin numerals</a>

%e a(1) = 3, because the first prime number is 2 and it contains 3 letters in Latin.

%K hard,nonn,word

%O 1,1

%A _Ivan Panchenko_, Nov 22 2009