id:A043090 - OEIS Search Results

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Every string of 2 consecutive base 4 digits contains exactly 2 distinct numbers.

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0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 17, 18, 19, 24, 25, 27, 28, 29, 30, 33, 34, 35, 36, 38, 39, 44, 45, 46, 49, 50, 51, 52, 54, 55, 56, 57, 59, 68, 70, 71, 72, 73, 75, 76, 77, 78, 97, 98, 99, 100, 102, 103, 108, 109, 110, 113, 114, 115 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`A031942 UNION {0}. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 20 2008]`
	CROSSREFS	`Sequence in context: A101888 A020655 A031942 this_sequence A023799 A001959 A119930` `Adjacent sequences: A043087 A043088 A043089 this_sequence A043091 A043092 A043093`
	KEYWORD	`nonn,base`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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