id:A105573 - OEIS Search Results

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Numbers m such that m-4 and m+4 have 4 prime factors.

+0
3

20, 136, 200, 224, 344, 346, 368, 376, 480, 488, 554, 568, 576, 640, 736, 744, 808, 816, 854, 856, 864, 872, 880, 944, 992, 1064, 1152, 1160, 1200, 1208, 1214, 1216, 1280, 1288, 1312, 1360, 1426, 1568, 1576, 1606, 1621, 1648, 1656, 1664, 1784, 1808, 1858 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A001222(a(n)-4) = A001222(a(n)+4) = 4.`
	CROSSREFS	`Cf. A014574, A105571, A105572.` `Adjacent sequences: A105570 A105571 A105572 this_sequence A105574 A105575 A105576` `Sequence in context: A005551 A006417 A085284 this_sequence A144965 A140301 A134382`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 14 2005`

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Last modified January 8 02:43 EST 2009. Contains 152824 sequences.

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