id:A064825 - OEIS Search Results

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Numbers which are the sums of three triangular numbers in exactly two different ways.

+0
2

12, 17, 19, 21, 22, 23, 26, 27, 28, 31, 32, 33, 34, 35, 39, 41, 42, 43, 44, 46, 47, 51, 54, 56, 62, 64, 65, 68, 74, 80, 88, 89, 90, 92, 95, 106, 113, 123, 128, 137, 141, 146, 153, 164, 179, 194, 200, 218, 245, 281, 326, 335 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`19 = 10 + 6 + 3 = 15 + 3 + 1`
	CROSSREFS	`A064816.` `Sequence in context: A166644 A087657 A059390 this_sequence A162918 A105018 A154488` `Adjacent sequences: A064822 A064823 A064824 this_sequence A064826 A064827 A064828`
	KEYWORD	`nonn`
	AUTHOR	`Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Oct 23 2001`
	EXTENSIONS	`Checked up to 1000000 but haven't found any other values.`

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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.

AT&T Labs Research