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Square root of a(n) contains the n-th prime as a string of digits to the immediate right of the decimal point (excluding leading zeros).
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%I #3 Mar 31 2012 20:08:01

%S 5,11,21,3,83,124,201,27,5,28,11,179,2,89,20,91,92,58,114,50,3,23,34,

%T 24,288,2411,581,1377,1031,489,1531,366,849,632,406,536,367,2721,

%U 13495,537,634,492,686,331,1866,408,52,409,485,688,297,742,1105,12377,856,1174

%N Square root of a(n) contains the n-th prime as a string of digits to the immediate right of the decimal point (excluding leading zeros).

%e a(1)= 5 because sqrt( 5)=2.(2)236...

%e a(2)=11 because sqrt(11)=3.(3)316...

%e a(3)=21 because sqrt(21)=4.(5)825...

%e a(4)= 3 because sqrt( 3)=1.(7)320...

%e ...

%e a(100) =1125 because sqrt(1125)=33.5410... and 541 is the 100th prime.

%Y Cf. A074841, A074762.

%K nonn,base

%O 1,1

%A _Gil Broussard_, Nov 17 2004