id:A052346 - OEIS Search Results

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Smallest number which is the sum of two triangular numbers in exactly n different ways.

+0
1

1, 2, 16, 81, 471, 1056, 1381, 11781, 6906, 17956, 34531, 123256, 40056, 4462656, 305256, 448906, 200281, 1957231, 520731, 10563906, 1001406, 11222656, 539550781, 3454506, 1482081, 75865156, 7172606106, 8852431, 25035156 (list; graph; listen)

	OFFSET	`0,2`
	EXAMPLE	`471 = 300+171 = 351+120 = 435+36 = 465 + 6`
	CROSSREFS	`Cf. A052343-A052348, A053587, A064816.` `Sequence in context: A012680 A012684 A053587 this_sequence A071893 A069440 A000431` `Adjacent sequences: A052343 A052344 A052345 this_sequence A052347 A052348 A052349`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jan 23 2000`
	EXTENSIONS	`a(27), a(28) = 8852431, 25035156. a(26) not yet found.` `a(26) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 17 2008`

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

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