id:A020331 - OEIS Search Results

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A020331

Numbers n such that base 3 representation is the juxtaposition of two identical strings.

+0
1

4, 8, 30, 40, 50, 60, 70, 80, 252, 280, 308, 336, 364, 392, 420, 448, 476, 504, 532, 560, 588, 616, 644, 672, 700, 728, 2214, 2296, 2378, 2460, 2542, 2624, 2706, 2788, 2870, 2952, 3034, 3116, 3198, 3280, 3362, 3444, 3526, 3608, 3690, 3772, 3854, 3936, 4018 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A105723 A025234 A075308 this_sequence A082595 A080072 A094502` `Adjacent sequences: A020328 A020329 A020330 this_sequence A020332 A020333 A020334`
	KEYWORD	`nonn,base`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net), Melia Aldridge, ma38(AT)spruce.evansville.edu`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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