id:A072856 - OEIS Search Results

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Number of permutations satisfying i-4<=p(i)<=i+4, i=1..n (permutations of length n within distance 4).

+0
61

1, 2, 6, 24, 120, 504, 1902, 6902, 25231, 95401, 365116, 1396948, 5316192, 20135712, 76227216, 288878956, 1095937420, 4159450913, 15783649241, 59878012558, 227128287882, 861543171080, 3268198646496, 12398132725784 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A002524..A002529, A072827.` `Sequence in context: A130480 A048631 A062348 this_sequence A070946 A060726 A138619` `Adjacent sequences: A072853 A072854 A072855 this_sequence A072857 A072858 A072859`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Baltic (baltic(AT)galeb.etf.bg.ac.yu), Jul 25 2002`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

AT&T Labs Research