id:A051788 - OEIS Search Results

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a(1) = 1, a(2) = 3; for n>2, a(n) = least value > a(n-1) such that pairwise differences are unique.

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1, 3, 4, 8, 14, 22, 31, 46, 62, 82, 108, 137, 149, 171, 206, 259, 303, 367, 414, 479, 545, 578, 658, 728, 848, 921, 1004, 1130, 1268, 1352, 1454, 1584, 1669, 1876, 1915, 2114, 2303, 2404, 2563, 2797, 2991, 3112, 3270, 3423, 3592, 3773, 3889, 4284, 4727, 4819 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`A variation on A005282 (Mian-Chowla, where sums of pairs of elements are unique).`
	CROSSREFS	`Cf. A005282, A080201 (for differences that do not occur).` `Sequence in context: A049893 A103002 A004979 this_sequence A023623 A023558 A000205` `Adjacent sequences: A051785 A051786 A051787 this_sequence A051789 A051790 A051791`
	KEYWORD	`nonn`
	AUTHOR	`Gerald A. Mischke (Gerald.Mischke(AT)mutualofomaha.com), Dec 09 1999`

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.

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