id:A147931 - OEIS Search Results

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Number of permutations of floor(i*8/7), i=0..n-1, with all sums of two and three adjacent terms respectively unique.

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1, 2, 6, 16, 54, 232, 936, 5070, 28658, 170392, 1087848, 7171828, 49584912, 366964014, 3450377582, 32284315804 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A147899 A147949 A147940 this_sequence A091217 A147891 A147922` `Adjacent sequences: A147928 A147929 A147930 this_sequence A147932 A147933 A147934`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Nov 17 2008`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.