id:A057780 - OEIS Search Results

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Multiples of 3 that are one less than a perfect square.

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0, 3, 15, 24, 48, 63, 99, 120, 168, 195, 255, 288, 360, 399, 483, 528, 624, 675, 783, 840, 960, 1023, 1155, 1224, 1368, 1443, 1599, 1680, 1848, 1935, 2115, 2208, 2400, 2499, 2703, 2808, 3024, 3135, 3363, 3480, 3720, 3843, 4095, 4224, 4488, 4623, 4899, 5040 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`A001651^2 - 1.`
	CROSSREFS	`3 * A001082.` `Sequence in context: A161467 A101133 A061386 this_sequence A129024 A018982 A046280` `Adjacent sequences: A057777 A057778 A057779 this_sequence A057781 A057782 A057783`
	KEYWORD	`nonn,easy`
	AUTHOR	`Benjamin Geiger (benjamin_geiger(AT)yahoo.com), Nov 02 2000`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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