A099400 - OEIS

A099400

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).

5, 11, 21, 3, 83, 124, 201, 27, 5, 28, 11, 179, 2, 89, 20, 91, 92, 58, 114, 50, 3, 23, 34, 24, 288, 2411, 581, 1377, 1031, 489, 1531, 366, 849, 632, 406, 536, 367, 2721, 13495, 537, 634, 492, 686, 331, 1866, 408, 52, 409, 485, 688, 297, 742, 1105, 12377, 856, 1174

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

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

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

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

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

...

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