id:A083820 - OEIS Search Results

Search: id:A083820

Displaying 1-1 of 1 results found.

page 1

Primes in which odd positioned digits are prime and even positioned digits are composite. The least significant digit is the taken to be the first digit.

+0
2

2, 3, 5, 7, 43, 47, 67, 83, 97, 263, 283, 293, 347, 367, 383, 397, 547, 563, 587, 593, 743, 787, 797, 4243, 4283, 4297, 4363, 4397, 4547, 4567, 4583, 4597, 4783, 4787, 4793, 6247, 6263, 6287, 6343, 6367, 6397, 6547, 6563, 6763, 6793, 8243, 8263, 8287, 8293 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A083821.` `Sequence in context: A048400 A110457 A090716 this_sequence A052088 A092066 A028981` `Adjacent sequences: A083817 A083818 A083819 this_sequence A083821 A083822 A083823`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), May 08 2003`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), May 20 2003`

page 1

Search completed in 0.002 seconds

Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research