id:A075818 - OEIS Search Results

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Even numbers with exactly 3 prime factors (counted with multiplicity).

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8, 12, 18, 20, 28, 30, 42, 44, 50, 52, 66, 68, 70, 76, 78, 92, 98, 102, 110, 114, 116, 124, 130, 138, 148, 154, 164, 170, 172, 174, 182, 186, 188, 190, 212, 222, 230, 236, 238, 242, 244, 246, 258, 266, 268, 282, 284, 286, 290, 292, 310, 316, 318, 322, 332, 338 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`28=2^27, 30=235 and 42=23*7 are even and are products of exactly 3 primes.`
	MAPLE	`ts_bo3_sod := proc(n); if (numtheory[bigomega](n)=3 and type(n, even)='true') then RETURN(n); fi end: abo3sod := [seq(ts_bo3_sod(i), i=1..2300)]: abo3sod;`
	CROSSREFS	`Cf. A046470, A053858.` `Sequence in context: A046369 A066428 A054397 this_sequence A090738 A085103 A157940` `Adjacent sequences: A075815 A075816 A075817 this_sequence A075819 A075820 A075821`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jani Melik (jani_melik(AT)hotmail.com), Oct 13 2002`
	EXTENSIONS	`Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Oct 21 2002`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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