id:A023715 - OEIS Search Results

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Numbers with exactly 2 2's in base 4 expansion.

+0
2

10, 26, 34, 38, 40, 41, 43, 46, 58, 74, 90, 98, 102, 104, 105, 107, 110, 122, 130, 134, 136, 137, 139, 142, 146, 150, 152, 153, 155, 158, 160, 161, 163, 164, 165, 167, 172, 173, 175, 178, 182, 184, 185, 187, 190, 202, 218, 226 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[ Range[ 240 ], (Count[ IntegerDigits[ #, 4 ], 2 ]==2)& ]`
	CROSSREFS	`Sequence in context: A125035 A067264 A043342 this_sequence A045143 A005278 A157075` `Adjacent sequences: A023712 A023713 A023714 this_sequence A023716 A023717 A023718`
	KEYWORD	`nonn,base,easy`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research