id:A076580 - OEIS Search Results

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Triangular numbers which are 6-almost primes.

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528, 1176, 4656, 4950, 5460, 6216, 7140, 7260, 7875, 11628, 13041, 14196, 15576, 17766, 17955, 19110, 20100, 21736, 24976, 26796, 28680, 28920, 31878, 33930, 34980, 37950, 44850, 45150, 46056, 46360, 49770, 56616, 58653, 58996, 59340 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=528, 528 is a triangular number and 528=22223*11 i.e. is a product of 6 prime factors so is 6-almost prime.`
	CROSSREFS	`Sequence in context: A020379 A093226 A085329 this_sequence A037944 A059465 A071236` `Adjacent sequences: A076577 A076578 A076579 this_sequence A076581 A076582 A076583`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Oct 19 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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