id:A008561 - OEIS Search Results

Search: id:A008561

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a(1) = 3; a(2) = 11; to get a(n), n >= 3, convert a(n-1) from base 3 to base 2.

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3, 11, 100, 1001, 11100, 1110101, 10000100111, 1110011110101001, 1001111011001100001111110, 100010101100001010000100000101000100101, 1001100000001111111111000111111011010101000111001110101000111 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`11 in base 3 is 4 in base 10 which is 100 in base 2.` `100 in base 3 is 9 in base 10 which is 1001 in base 2.`
	CROSSREFS	`Very similar to A008560.` `Adjacent sequences: A008558 A008559 A008560 this_sequence A008562 A008563 A008564` `Sequence in context: A120587 A086914 A123996 this_sequence A072640 A154299 A007616`
	KEYWORD	`nonn,base`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

AT&T Labs Research