id:A131419 - OEIS Search Results

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Central diagonal and left half of table A060243 which counts the partitions of n objects of 2 colors.

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1, 1, 2, 2, 3, 4, 5, 7, 9, 7, 12, 16, 11, 19, 29, 31, 15, 30, 47, 57, 22, 45, 77, 97, 109, 30, 67, 118, 162, 189, 42, 97, 181, 257, 323, 339, 56, 139, 267, 401, 522, 589, 77, 195, 392, 608, 831, 975, 1043, 101, 272, 560, 907, 1279, 1576, 1752, 135, 373 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Every diagonal appears in sequence A129306.`
	EXAMPLE	`Table A060243 begins` `1` `1...1` `2...2...2` `3...4...4...3` `5...7...9...7...5` `7..12..16..16..12..7` `The diagonals in the new table begin` `1..1..2..3..5...7...11...15...22...30..42 A000041` `.....2..4..7..12...19...30...45...67..97 A000070` `........9.16..29...47...77..118..181` `..........31..57...97..162..257` `.............109..189..323` `..................339`
	CROSSREFS	`Cf. A108464 A129306.` `Sequence in context: A017841 A111901 A134727 this_sequence A052816 A122130 A003073` `Adjacent sequences: A131416 A131417 A131418 this_sequence A131420 A131421 A131422`
	KEYWORD	`nonn,tabf`
	AUTHOR	`Alford Arnold (Alford1940(AT)aol.com), Jul 11 2007`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 02 2007`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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