id:A115665 - OEIS Search Results

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Brilliant numbers (A078972) whose digit reversal is a semiprime (A001358).

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4, 6, 9, 15, 49, 121, 143, 169, 187, 221, 289, 319, 323, 341, 437, 493, 533, 551, 559, 589, 629, 667, 737, 767, 781, 817, 851, 871, 893, 899, 913, 923, 949, 961, 979, 989, 1027, 1067, 1079, 1121, 1219, 1247, 1273, 1343, 1357, 1387, 1411, 1513, 1577 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`551=1929 is brilliant and 155=531 is semiprime.`
	CROSSREFS	`Cf. A001358, A078972, A115666.` `Sequence in context: A136357 A136356 A136358 this_sequence A118694 A085648 A045114` `Adjacent sequences: A115662 A115663 A115664 this_sequence A115666 A115667 A115668`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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