id:A033053 - OEIS Search Results

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Numbers n such that base 2 representation Sum{d(i)*2^i: i=0,1,...,m} has odd d(i) for all odd i.

+0
2

1, 3, 6, 7, 13, 15, 26, 27, 30, 31, 53, 55, 61, 63, 106, 107, 110, 111, 122, 123, 126, 127, 213, 215, 221, 223, 245, 247, 253, 255, 426, 427, 430, 431, 442, 443, 446, 447, 490, 491, 494, 495, 506, 507, 510, 511, 853, 855, 861, 863 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Row 16 of array A104257.` `Sequence in context: A069891 A088146 A137595 this_sequence A107850 A051218 A124130` `Adjacent sequences: A033050 A033051 A033052 this_sequence A033054 A033055 A033056`
	KEYWORD	`nonn,base`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research