# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a336229 Showing 1-1 of 1 %I A336229 #9 Jul 13 2020 06:56:05 %S A336229 1,2,5,14,31,111,257,624 %N A336229 Nonisomorphic n-element posets whose order polynomial factors into linear factors over the rationals. %H A336229 Sam Hopkins, Order polynomial product formulas and poset dynamics, arXiv 2006.01568 [math.CO], 2020. %H A336229 MathOverflow, Unified framework for posets with order polynomial product formulas, 2019. %e A336229 For n <= 3 all posets are counted. %K A336229 nonn,more %O A336229 1,2 %A A336229 _Richard Stanley_, Jul 12 2020 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE