id:A069916 - OEIS Search Results

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Log-concave ordered partitions of n.

+0
2

1, 1, 2, 4, 6, 9, 14, 20, 26, 36, 47, 60, 80, 102, 127, 159, 194, 236, 291, 355, 425, 514, 611, 718, 856, 1009, 1182, 1381, 1605, 1861, 2156, 2496, 2873, 3299, 3778, 4301, 4902, 5574, 6325, 7176, 8116, 9152, 10317, 11610, 13028, 14611, 16354, 18259 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`Out of the 8 ordered partitions of 4, only 2+1+1 and 1+1+2 are not log-concave, so a(4)=6.`
	CROSSREFS	`Sequence in context: A067588 A003402 A034748 this_sequence A153140 A139135 A097197` `Adjacent sequences: A069913 A069914 A069915 this_sequence A069917 A069918 A069919`
	KEYWORD	`nonn,nice`
	AUTHOR	`Pontus von Bromssen (pontus.von.bromssen(AT)gmail.com), Apr 24 2002`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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