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%I #6 Nov 21 2013 12:48:16
%S 7,1,2,1,4,9,2,5,2,3,2,7,2,7,6,5,9,7,4,6,0,7,5,1,6,4,7,3,1,0,3,6,5,2,
%T 2,0,0,2,6,4,2,3,1,5,0,9,7,9,9,4,1,2,4,0,8,4,8,3,5,4,7,7,2,8,8,2,0,4,
%U 2,7,7,2,8,7,7,2,9,0,6,9,6,7,2,2,4,0,6,5,9,9,9,9,6,2,3,7,2,5,6,3,3,3,4,8,0
%N a(n) = p-th digit of e where p = n-th prime.
%C The prime-th digits of e.
%C Is the number 7.12149252327276... irrational, transcendental?
%e The 5th prime is 11. The 11th digit of e is 4, the 5th term in the sequence.
%t With[{nn=600},Pick[RealDigits[E,10,nn][[1]],If[PrimeQ[#],1,0]&/@ Range[ nn],1]] (* _Harvey P. Dale_, Apr 22 2012 *)
%o (PARI) \primeth.gp primeth(n) = { default(realprecision,1000); p=Str(exp(1)*10^999); default(realprecision,28); forprime(x=2,n, print1(mid(p,x,1)",") ) } mid(str,s,n) = { v =""; tmp = Vec(str); ln=length(tmp); for(x=s,s+n-1, v=concat(v,tmp[x]); ); return(v) }
%K base,easy,nonn
%O 2,1
%A _Cino Hilliard_, Jan 22 2004
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