id:A065066 - OEIS Search Results

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Triangle T(n,k) of partially ordered sets ("posets") with n unlabeled nodes and k maximal elements (0 <= k <= n).

+0
1

1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 5, 7, 3, 1, 0, 16, 27, 15, 4, 1, 0, 63 (list; table; graph; listen)

	OFFSET	`0,8`
	LINKS	`Index entries for sequences related to posets`
	CROSSREFS	`T(n+1, 1) = Sum_{i=0}^n T(n, i) = A000112(n)` `Adjacent sequences: A065063 A065064 A065065 this_sequence A065067 A065068 A065069` `Sequence in context: A120059 A067347 A120568 this_sequence A064045 A110314 A130167`
	KEYWORD	`more,nonn,tabl`
	AUTHOR	`Jens Voss (jens.voss(AT)poet.de), Nov 07 2001`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.