id:A020450 - OEIS Search Results

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A020450

Primes that contain digits 1 and 2 only.

+0
1

2, 11, 211, 2111, 2221, 12211, 21121, 21211, 21221, 22111, 111121, 111211, 112111, 112121, 1111211, 1121221, 1212121, 1212221, 1221221, 2121121, 2211211, 2221111, 11221211, 12111221, 12121121, 12121211, 12122111, 12122221, 12212111, 12222121 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A092730 A051663 A070256 this_sequence A036229 A104337 A042805` `Adjacent sequences: A020447 A020448 A020449 this_sequence A020451 A020452 A020453`
	KEYWORD	`nonn,base`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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