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%I #16 Jun 01 2022 18:54:05
%S 1,540,75966,4701698,164489084,3764727340,61951251333,782318812002,
%T 7946895019096,67270102239520,487605585591870,3092040981805272,
%U 17451258588313354,88902214572208640,413569247116248032
%N Antichains (or order ideals) in the poset 2*2*7*n or size of the distributive lattice J(2*2*7*n)
%D Berman and Koehler, Cardinalities of finite distributive lattices, Mitteilungen aus dem Mathematischen Seminar Giessen, 121 (1976), p. 103-124
%H 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 <a href="/index/Pos#posets">Index entries for sequences related to posets</a>
%Y Cf. A000372, A006360, A006361, A006362, A056932, A056933, A056935, A056936, A056937.
%K nonn,easy
%O 0,2
%A _Mitch Harris_
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