id:A146948 - OEIS Search Results

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Semiprimes n such that n+1 and n+2 are square-free.

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4, 9, 21, 33, 57, 65, 69, 77, 85, 93, 121, 129, 141, 177, 185, 201, 209, 213, 217, 221, 237, 253, 265, 289, 301, 309, 321, 329, 365, 381, 393, 417, 437, 445, 453, 469, 481, 497, 501, 517, 533, 545, 553, 581, 589, 597, 633, 669, 681, 689, 697, 713, 717, 753 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Terms computed by Zak Seidov [zakseidov(AT)yahoo.com]`
	CROSSREFS	`Sequence in context: A147971 A038805 A120535 this_sequence A033944 A038415 A002762` `Adjacent sequences: A146945 A146946 A146947 this_sequence A146949 A146950 A146951`
	KEYWORD	`nonn,less`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Nov 03 2008`

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

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