id:A077290 - OEIS Search Results

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Triangular numbers that are 6 times other triangular numbers.

+0
4

0, 6, 36, 630, 3570, 61776, 349866, 6053460, 34283340, 593177346, 3359417496, 58125326490, 329188631310, 5695688818716 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`Let b(n) be A077289. Then a(n)=6*b(n)`
	EXAMPLE	`b(3)=105 so a(3)=3*105=630`
	CROSSREFS	`Cf. A077288, A077289, A077291.` `Sequence in context: A071555 A080491 A077704 this_sequence A082027 A069031 A061234` `Adjacent sequences: A077287 A077288 A077289 this_sequence A077291 A077292 A077293`
	KEYWORD	`easy,nonn`
	AUTHOR	`Bruce Corrigan (scentman(AT)myfamily.com), Nov 03 2002`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.