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 A006362 M5411 #28 Jan 18 2025 04:12:46 %S A006362 1,196,11196,307960,5157098,60112692,530962446,3764727340,22326282261, %T A006362 114158490576,515063238810,2087929609236,7714649716552,26285397502428, %U A006362 83379798088110,248202756212336,697998155989501,1864955619299196 %N A006362 Antichains (or order ideals) in the poset 2*2*5*n or size of the distributive lattice J(2*2*5*n). %D A006362 J. Berman and P. Koehler, Cardinalities of finite distributive lattices, Mitteilungen aus dem Mathematischen Seminar Giessen, 121 (1976), 103-124. %D A006362 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A006362 J. Berman and P. Koehler, <a href="/A006356/a006356.pdf">Cardinalities of finite distributive lattices</a>, Mitteilungen aus dem Mathematischen Seminar Giessen, 121 (1976), 103-124. [Annotated scanned copy] %H A006362 G. Kreweras, <a href="http://www.numdam.org/item?id=MSH_1976__53__5_0">Les préordres totaux compatibles avec un ordre partiel</a>, Math. Sci. Humaines No. 53 (1976), 5-30. %H A006362 <a href="/index/Pos#posets">Index entries for sequences related to posets</a>. %Y A006362 Cf. A000372, A056932, A006360, A006361, A056933, A056934, A056935, A056936, A056937. %K A006362 nonn,easy %O A006362 0,2 %A A006362 _N. J. A. Sloane_ %E A006362 More terms from _Mitch Harris_, Jul 16 2000