id:A046454 - OEIS Search Results

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Concatenation of the 5 prime factors of composite a(n) is a palindrome.

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32, 243, 3125, 16807, 19875, 38955, 51909, 75117, 85683, 94605, 96195, 158389, 161051, 182427, 185493, 205905, 261443, 261555, 320385, 323253, 397047, 439593, 451209, 504357, 507969, 584647, 613977, 617799, 718977, 719955, 795417, 839523 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`E.g. 320385 = 3 * 5 * 13 * 31 * 53 -> 35133153 is palindromic.`
	CROSSREFS	`Cf. A046447.` `Sequence in context: A050752 A153159 A113850 this_sequence A050997 A056572 A096960` `Adjacent sequences: A046451 A046452 A046453 this_sequence A046455 A046456 A046457`
	KEYWORD	`nonn`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1998.`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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