id:A143588 - OEIS Search Results

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Number of 2's in row n of the Kolakoski fan A143477.

+0
2

0, 1, 2, 2, 3, 4, 6, 10, 15, 22, 33, 52, 74, 113, 168, 255, 377, 567, 850, 1280, 1916, 2878, 4324, 6473, 9720, 14577, 21862, 32766, 49150, 73758, 110640, 165962, 249013, 373405, 560201, 840358, 1260296, 1890539, 2835987, 4253676, 6380430, 9570746 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`A143586 = A143587 + A143588.`
	EXAMPLE	`The first 4 rows of A143477 are 1; 2; 22; 1122. The respective numbers of 1's are 0,1,2,2.`
	CROSSREFS	`Cf. A000002, A143477, A143486, A143487.` `Sequence in context: A107293 A001611 A039829 this_sequence A032245 A013588 A108150` `Adjacent sequences: A143585 A143586 A143587 this_sequence A143589 A143590 A143591`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu), Aug 25 2008`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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