# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a084281 Showing 1-1 of 1 %I A084281 #16 Jun 20 2018 16:55:22 %S A084281 1,2,8,64,1024,32767,2096731,268232643,68572495926,35005772219631, %T A084281 35642624717803839 %N A084281 Number of labeled 5-colorable (i.e., chromatic number <= 5) graphs on n nodes. %H A084281 F. HÃ¼ffner, tinygraph, software for generating integer sequences based on graph properties, version 8c665c7 %H A084281 Eric Weisstein's World of Mathematics, n-Colorable Graph %Y A084281 Cf. A047864, A084279, A084280, A084282. %K A084281 nonn,more %O A084281 1,2 %A A084281 _Eric W. Weisstein_, May 25 2003 %E A084281 a(7)-a(11) added using tinygraph by _Falk HÃ¼ffner_, Jun 20 2018 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE