id:A069674 - OEIS Search Results

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Triangular numbers whose digit permutations yield at least two further triangular numbers.

+0
4

120, 210, 1035, 2080, 4095, 4560, 4950, 5460, 9045, 13530, 15400, 17020, 17205, 17578, 19306, 20100, 20503, 20706, 23005, 30135, 30628, 36046, 37401, 40186, 43071, 43660, 46360, 46971, 50721, 51040, 52003, 53301, 60031, 63190, 66430 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`120 yields 21 and 210; 210 yields 21 and 120.`
	CROSSREFS	`Cf. A077671, A095869, A095870.` `Sequence in context: A114823 A069790 A064224 this_sequence A003015 A098565 A084142` `Adjacent sequences: A069671 A069672 A069673 this_sequence A069675 A069676 A069677`
	KEYWORD	`nonn,base`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 06 2002`
	EXTENSIONS	`Edited, corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 29 2004`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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