A057335 - OEIS

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A057335

Essentially sequence A055932 generated using A000120, hence sorted by number of factors.

1, 2, 4, 6, 8, 12, 18, 30, 16, 24, 36, 60, 54, 90, 150, 210, 32, 48, 72, 120, 108, 180, 300, 420, 162, 270, 450, 630, 750, 1050, 1470, 2310, 64, 96, 144, 240, 216, 360, 600, 840, 324, 540, 900, 1260, 1500, 2100, 2940, 4620, 486, 810, 1350, 1890, 2250, 3150, 4410 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Note that for n>0 the prime divisors of a(n) are consecutive primes starting with 2. All of the least prime signatures (A025487) are included; with the other values forming A056808.`
	FORMULA	`a(n)= A057334(n) * a (repeated)`
	CROSSREFS	`Cf. A057334, A055932 and A056808.` `Sequence in context: A079212 A141452 A050597 * A126907 A118563 A164145` `Adjacent sequences: A057332 A057333 A057334 * A057336 A057337 A057338`
	KEYWORD	`easy,nonn`
	AUTHOR	`Alford Arnold (Alford1940(AT)aol.com), Aug 27 2000`
	EXTENSIONS	`More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 29 2003`

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Last modified February 17 20:50 EST 2012. Contains 206085 sequences.