id:A118735 - OEIS Search Results

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Numbers n such that 2^n and 3^n have odd digit sum.

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0, 4, 5, 10, 16, 18, 20, 22, 25, 27, 30, 31, 34, 35, 39, 48, 52, 53, 59, 62, 63, 66, 68, 69, 81, 87, 89, 92, 99, 100, 101, 105, 108, 114, 118, 119, 121, 127, 131, 133, 141, 145, 146, 150, 153, 158, 159, 160, 165, 167, 169, 175, 186, 188, 191, 196, 197, 201, 202, 203 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`Select[Range[0, 206], And @@ ((Mod[ Plus @@ IntegerDigits[ # ], 2] == 1 &) /@ {2^#, 3^#}) &] (Chandler)`
	CROSSREFS	`Cf. Intersection of A118731 and A118732.` `Sequence in context: A135104 A131780 A102006 this_sequence A002970 A073611 A058594` `Adjacent sequences: A118732 A118733 A118734 this_sequence A118736 A118737 A118738`
	KEYWORD	`base,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), May 22 2006`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 10 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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