id:A109131 - OEIS Search Results

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Admirable numbers such that the subtracted divisor is a triangular number.

+0
10

20, 24, 30, 42, 54, 66, 78, 84, 102, 104, 114, 138, 140, 174, 186, 222, 224, 246, 258, 282, 308, 318, 354, 364, 366, 402, 426, 438, 464, 474, 476, 498, 532, 534, 582, 606, 618, 642, 644, 650, 654, 678, 762, 786, 812, 822, 834, 868, 894, 906, 942, 945, 978 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(2)=24 because 1+2+3+4+8+12-6 = 24 and the subtracted divisor is triangular.`
	CROSSREFS	`Cf. A111592.` `Sequence in context: A114843 A015924 A108373 this_sequence A060461 A044996 A107302` `Adjacent sequences: A109128 A109129 A109130 this_sequence A109132 A109133 A109134`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Aug 17 2005`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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