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 A241783 #6 Dec 06 2015 22:39:50 %S A241783 2,3,4,7,8,9,10,11,12,13,14,15,16,17,18,21,22,23,26,27,28,29,30,31,32, %T A241783 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55, %U A241783 56,57,58,59,60,61,62,63,64,67,68,69,72,73,74,75,76,77 %N A241783 Numbers that cannot be partitioned into distinct parts of the form 3^k - 2^k, cf. A001047. %C A241783 A241759(a(n)) = 0. %H A241783 Reinhard Zumkeller, <a href="/A241783/b241783.txt">Table of n, a(n) for n = 1..10000</a> %o A241783 (Haskell) %o A241783 a241783 n = a241783_list !! (n-1) %o A241783 a241783_list = filter ((== 0) . a241759) [0..] %Y A241783 Cf. A240400 (complement). %K A241783 nonn %O A241783 1,1 %A A241783 _Reinhard Zumkeller_, Apr 28 2014