id:A033055 - OEIS Search Results

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Numbers n such that base 4 representation Sum{d(i)*4^i: i=0,1,...,m} has odd d(i) for all odd i.

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1, 2, 3, 5, 7, 9, 11, 13, 15, 20, 21, 22, 23, 28, 29, 30, 31, 36, 37, 38, 39, 44, 45, 46, 47, 52, 53, 54, 55, 60, 61, 62, 63, 81, 83, 85, 87, 89, 91, 93, 95, 113, 115, 117, 119, 121, 123, 125, 127, 145, 147, 149, 151, 153, 155, 157, 159 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A023543 A129895 A096149 this_sequence A022554 A097046 A011861` `Adjacent sequences: A033052 A033053 A033054 this_sequence A033056 A033057 A033058`
	KEYWORD	`nonn,base`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research