id:A115702 - OEIS Search Results

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Triangular numbers whose digit reversal is the product of 2 palindromes greater than 1.

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6, 21, 36, 45, 55, 66, 120, 210, 231, 253, 406, 465, 561, 630, 666, 820, 990, 3003, 3240, 4095, 4950, 5050, 5151, 5671, 5995, 6670, 8001, 20503, 23653, 24753, 29403, 31125, 33153, 37950, 41041, 43956, 54615, 57630, 60726, 63546, 66066, 73920 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`8001=T(126) and 1008=4*252.`
	CROSSREFS	`Cf. A115683.` `Sequence in context: A064440 A106634 A063126 this_sequence A003340 A139606 A047717` `Adjacent sequences: A115699 A115700 A115701 this_sequence A115703 A115704 A115705`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research