This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A065584 #26 Sep 06 2023 06:57:16 %S A065584 2,13,11,1117,11113,111119,11111101,11111117,111111113,11111111129, %T A065584 11111111113,1111111111139,11111111111123,1111111111111013, %U A065584 1111111111111123,11111111111111101,11111111111111119 %N A065584 Smallest prime beginning with exactly n 1's. %C A065584 Largest terms are only probable primes. Some terms of the sequence are also in A004022 (repunit primes) or A056710 (all digits same except last digit). All terms of A004022 are in the current sequence. %C A065584 According to the Magma Calculator (at http://magma.maths.usyd.edu.au/calc/), all 201 terms in the table (and thus all 17 terms listed above) are, in fact, prime. - _Jon E. Schoenfield_, Aug 24 2009 %H A065584 M. F. Hasler, <a href="/A065584/b065584.txt">Table of n, a(n) for n = 0..200</a> %Y A065584 Cf. A065821, A068103, A068104, A068105. %Y A065584 Cf. A004022 (repunit primes), A056710 (near-repdigit primes). %K A065584 nonn,base %O A065584 0,1 %A A065584 _Robert G. Wilson v_, Nov 28 2001 %E A065584 Corrected by _Don Reble_, Jan 17 2007 %E A065584 Offset corrected by _Sean A. Irvine_, Sep 06 2023