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 A061240 #22 May 14 2025 14:54:23
%S A061240 5,23,41,59,113,131,149,167,239,257,293,311,347,383,401,419,491,509,
%T A061240 563,599,617,653,743,761,797,887,941,977,1013,1031,1049,1103,1193,
%U A061240 1229,1283,1301,1319,1373,1409,1427,1481,1499,1553,1571,1607,1697,1733,1787
%N A061240 Prime numbers == 5 (mod 9).
%C A061240 A010888(a(n)) = 5. - _Reinhard Zumkeller_, Feb 25 2005
%H A061240 Vincenzo Librandi, <a href="/A061240/b061240.txt">Table of n, a(n) for n = 1..1000</a>
%F A061240 a(n) ~ 6n log n. - _Charles R Greathouse IV_, May 14 2025
%t A061240 Select[ Range[ 2500 ], PrimeQ[ # ] && Mod[ #, 9 ] == 5 & ]
%t A061240 Select[Prime[Range[300]],Mod[#,9]==5&] (* _Harvey P. Dale_, Oct 13 2017 *)
%o A061240 (Magma) [ p: p in PrimesUpTo(2000) | p mod 9 in {5} ]; // _Vincenzo Librandi_, Dec 25 2010
%o A061240 (PARI) select(p->p%9==5,primes(1000)) \\ _Charles R Greathouse IV_, Sep 26 2012
%Y A061240 Cf. A061237..A061242.
%K A061240 nonn,easy
%O A061240 1,1
%A A061240 _Amarnath Murthy_, Apr 23 2001
%E A061240 More terms from _Robert G. Wilson v_, May 10 2001