id:A115697 - OEIS Search Results

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Powerful(1) numbers (A001694) whose digit reversal is the product of 2 palindromes greater than 1.

+0
1

4, 8, 9, 27, 36, 72, 81, 121, 243, 324, 400, 484, 648, 800, 900, 1089, 1331, 1728, 1800, 2187, 2197, 2700, 3267, 3456, 3600, 4000, 4356, 4500, 5184, 5292, 5324, 5400, 5625, 6561, 7200, 7803, 8000, 8100, 8712, 9000, 9261, 9801, 10201, 11979 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`3267=3^311^2 is powerful and 7623=7799.`
	CROSSREFS	`Cf. A001694, A115683.` `Sequence in context: A076702 A051761 A114377 this_sequence A075783 A098121 A115656` `Adjacent sequences: A115694 A115695 A115696 this_sequence A115698 A115699 A115700`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research