id:A115666 - OEIS Search Results

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Semiprimes (A001358) whose digit reversal is a brilliant number (A078972).

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4, 6, 9, 51, 94, 121, 122, 143, 155, 158, 169, 178, 187, 319, 323, 329, 335, 341, 394, 398, 718, 734, 737, 766, 767, 781, 913, 926, 949, 955, 961, 979, 982, 985, 989, 998, 1141, 1202, 1211, 1273, 1322, 1343, 1405, 1415, 1655, 1691, 1703, 1714, 1807 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`155=531 is semiprime and 551=1929 is brilliant.`
	CROSSREFS	`Cf. A001358, A078972, A115665.` `Sequence in context: A085733 A107342 A086698 this_sequence A104389 A115655 A084350` `Adjacent sequences: A115663 A115664 A115665 this_sequence A115667 A115668 A115669`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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