id:A048541 - OEIS Search Results

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a(n)*(a(n)+1) is smallest pronic number containing exactly n 6's.

+0
2

2, 60, 257, 816, 4082, 77887, 258237, 816512, 4546060, 25820081, 103276578, 815209584, 816472087 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Eric Weisstein's World of Mathematics, Pronic Number`
	CROSSREFS	`Cf. A048542, A002378.` `Sequence in context: A117482 A078511 A141055 this_sequence A067739 A059934 A006333` `Adjacent sequences: A048538 A048539 A048540 this_sequence A048542 A048543 A048544`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), May 15 1999.`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.