id:A037260 - OEIS Search Results

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a()=A037260 and its first [ A037261 ], 2nd [ A037262 ] and 3rd [ A037263 ] differences together include every number at most once and are monotonic and minimal.

+0
5

1, 3, 9, 26, 62, 127, 233, 393, 621, 932, 1342, 1869, 2533, 3355, 4357, 5562, 6994, 8678, 10641, 12911, 15518, 18493, 21868, 25676, 29951, 34728, 40044, 45937, 52446, 59611, 67474, 76078, 85467, 95686, 106781, 118799, 131788, 145797 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`5 is the only number less than 100 not used in any of the 4 sequences - Larry Reeves (larryr(AT)acm.org), Sep 25 2000`
	EXAMPLE	`After 1 3 9 26 62` `------ 2 6 17 36` `------- 4 11 19` `-------- 7 8` `the next free number is 10 which we CAN add to 4th row.`
	CROSSREFS	`A037260-A037263 are 4-rowed analogue of A037257-A037259. See A005228, A030124 for 2-rowed version.` `Sequence in context: A013572 A119851 A119825 this_sequence A035313 A055293 A034531` `Adjacent sequences: A037257 A037258 A037259 this_sequence A037261 A037262 A037263`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org), Sep 25 2000`

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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