id:A067726 - OEIS Search Results

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Numbers such that 6 (6 + n) is a perfect square.

+0
5

18, 48, 90, 144, 210, 288, 378, 480, 594, 720, 858, 1008, 1170, 1344, 1530, 1728, 1938, 2160, 2394, 2640, 2898, 3168, 3450, 3744, 4050, 4368, 4698, 5040, 5394, 5760, 6138, 6528, 6930, 7344, 7770, 8208, 8658, 9120, 9594, 10080, 10578, 11088, 11610 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n+1)= 6nn +24*n +18 (frank.ellermann(AT)t-online.de).`
	MATHEMATICA	`Select[ Range[15000], IntegerQ[ Sqrt[ 6(6 + # )]] & ]`
	CROSSREFS	`Cf. 8: A067728, 7: A067727, 5: A067724, 3: A067725.` `Sequence in context: A034132 A099119 A105520 this_sequence A135189 A071365 A097319` `Adjacent sequences: A067723 A067724 A067725 this_sequence A067727 A067728 A067729`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 05 2002`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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