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 A144430 #13 Oct 08 2018 04:14:17 %S A144430 2,3,4,5,7,10,11,13,16,17,19,22,23,25,28,29,31,34,35,37,40,41,43,46, %T A144430 47,49,52,53,55,58,59,61,64,65,67,70,71,73,76,77,79,82,83,85,88,89,91, %U A144430 94,95,97,100,101,103,106,107,109,112,113,115,118,119,121,124,125,127,130 %N A144430 a(n) = 1 + A144429(n). %C A144430 If you cross out every 3rd term starting at 4 and cross out multiples of 5, the reduced sequence is 2, 3, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 49, 53, 59, 61, ... which starts with 14 primes. %C A144430 Essentially the same as A047259. - _Georg Fischer_, Oct 07 2018 %H A144430 Muniru A Asiru, <a href="/A144430/b144430.txt">Table of n, a(n) for n = 1..2000</a> %F A144430 a(n) = a(n-3) + 6, n > 5. %o A144430 (GAP) a:=[2,3,4,5,7];; for n in [6..70] do a[n]:=a[n-3]+6; od; a; # _Muniru A Asiru_, Oct 07 2018 %Y A144430 Cf. A144429. %K A144430 nonn,easy,less %O A144430 1,1 %A A144430 Milton L. Brown (miltbrown(AT)earthlink.net), Oct 13 2008 %E A144430 Edited and extended by _R. J. Mathar_, Oct 15 2008