id:A076583 - OEIS Search Results

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Triangular numbers which are 9-almost primes.

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25200, 61776, 195000, 248160, 270480, 295296, 306936, 320400, 346528, 373680, 400960, 446040, 460320, 461280, 499500, 662976, 664128, 749700, 818560, 902496, 903840, 946000, 1037520, 1155960, 1185030, 1664400, 1721440, 1873080, 1888596 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=25200, 25200 is a triangular number and 25200=222233557 i.e. is a product of 9 prime factors so is 9-almost prime.`
	CROSSREFS	`Sequence in context: A138717 A139776 A125268 this_sequence A046709 A130615 A124997` `Adjacent sequences: A076580 A076581 A076582 this_sequence A076584 A076585 A076586`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Oct 19 2002`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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