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.` `Sequence in context: A082620 A156668 A103992 this_sequence A100580 A087744 A054421` `Adjacent sequences: A001384 A001385 A001386 this_sequence A001388 A001389 A001390`
	KEYWORD	`nonn,base`
	AUTHOR	`tly1(AT)color.ithaca.ny.us (Thomas L. York)`

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

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