id:A147993 - OEIS Search Results

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Sequence S such that 1 is in S and if x is in S, then 6x-1 and 6x+1 are in S.

+0
7

1, 5, 7, 29, 31, 41, 43, 173, 175, 185, 187, 245, 247, 257, 259, 1037, 1039, 1049, 1051, 1109, 1111, 1121, 1123, 1469, 1471, 1481, 1483, 1541, 1543, 1553, 1555, 6221, 6223, 6233, 6235, 6293, 6295, 6305, 6307, 6653, 6655, 6665, 6667, 6725, 6727, 6737, 6739 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Does every generation after the initial 1 contain a prime?`
	EXAMPLE	`0th generation: 1` `1st generation: 5 7` `2nd generation: 29 31 41 43`
	CROSSREFS	`Sequence in context: A029668 A144392 A126888 this_sequence A087901 A018776 A104683` `Adjacent sequences: A147990 A147991 A147992 this_sequence A147994 A147995 A147996`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu), Dec 07 2008`

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

AT&T Labs Research