id:A004978 - OEIS Search Results

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a(n)=least number m such that m-a(n-1) != a(j)-a(k) for all j,k less than n; a(1)=1, a(2)=2.

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1, 2, 4, 8, 13, 21, 31, 45, 60, 76, 97, 119, 144, 170, 198, 231, 265, 300, 336, 374, 414, 456, 502, 550, 599, 649, 702, 759, 819, 881, 945, 1010, 1080, 1157, 1237, 1318, 1401, 1486, 1572, 1662, 1753, 1845, 1945, 2049, 2156, 2264 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Differences give A002048, see also A048201.` `For n>2, a(n) equals A002049(n-1)+1 and A048204(n-2)+2.` `Sequence in context: A130840 A115266 A026039 this_sequence A005282 A046185 A073336` `Adjacent sequences: A004975 A004976 A004977 this_sequence A004979 A004980 A004981`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`
	EXTENSIONS	`Definition corrected by Bryan S. Robinson, Mar 16 2006`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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