Search: id:A006360 Results 1-1 of 1 results found. %I A006360 M5300 %S A006360 1,50,887,8790,59542,307960,1301610,4701698,14975675,43025762, %T A006360 113414717,277904900,639562508,1393844960,2896063220,5768600412, %U A006360 11066514565,20526933442,36936277875,64660182026,110394412610 %N A006360 Antichains (or order ideals) in the poset 2*2*3*n or size of the distributive lattice J(2*2*3*n) %D A006360 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A006360 J. Berman and P. Koehler, Cardinalities of finite distributive lattices, Mitteilungen aus dem Mathematischen Seminar Giessen, 121 (1976), 103-124. %D A006360 Manfred Goebel, Rewriting Techniques and Degree Bounds for Higher Order Symmetric Polynomials, Applicable Algebra in Engineering, Communication and Computing (AAECC), Volume 9, Issue 6 (1999), 559-573. %D A006360 G. Kreweras, Les preordres totaux compatibles avec un ordre partiel. Math. Sci. Humaines No. 53 (1976), 5-30. %H A006360 Index entries for sequences related to posets %t A006360 MatrixPower[ ZetaP[ #, n + 1 ][ [ 1, Card[ # ] ] ]&@JofP[ Chain[ 2, 2, 3 ] ] %Y A006360 Cf. A000217, A000330, A050446, A050447, A006356, A006357, A006358, A006359, A000372, A056932, A006361, A006362, A056933, A056934, A056935, A056936, A056937. %Y A006360 Sequence in context: A086027 A110929 A101929 this_sequence A112890 A160152 A017766 %Y A006360 Adjacent sequences: A006357 A006358 A006359 this_sequence A006361 A006362 A006363 %K A006360 nonn,easy %O A006360 0,2 %A A006360 N. J. A. Sloane (njas(AT)research.att.com). %E A006360 More terms from Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu), Jul 16 2000 Search completed in 0.001 seconds