id:A001387 - OEIS Search Results

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Decimal encoding of a binary "look and say" sequence (A005150). To get the 5th term, for example, note that 4th term has three (11 in binary!) 1's, one (1) 0, and two (10) 1's, giving 11 1 1 0 10 1.

+0
3

1, 11, 101, 111011, 11110101, 100110111011, 111001011011110101, 111100111010110100110111011, 100110011110111010110111001011011110101, 1110010110010011011110111010110111100111010110100110111011 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`I conjecture that the ratio r(n) of the number of "1"s to the number of "0"s in a(n) converges to 5/3 (or some nearby limit). - Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Jan 31 2003`
	LINKS	`T. Sillke, The binary form of Conway's sequence`
	CROSSREFS	`Cf. A005150, A049194.` `Adjacent sequences: A001384 A001385 A001386 this_sequence A001388 A001389 A001390` `Sequence in context: A089971 A082620 A103992 this_sequence A100580 A087744 A054421`
	KEYWORD	`nonn,base`
	AUTHOR	`tly1(AT)color.ithaca.ny.us (Thomas L. York)`

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Last modified May 11 10:28 EDT 2008. Contains 139662 sequences.

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