id:A052009 - OEIS Search Results

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A052009

Sum of 'n with digits sorted ascending' and 'n with digits sorted descending' is prime.

+0
2

1, 10, 100, 107, 109, 116, 118, 146, 158, 161, 164, 166, 170, 178, 181, 185, 187, 188, 190, 229, 239, 245, 254, 257, 269, 275, 277, 292, 293, 296, 299, 329, 338, 344, 356, 365, 368, 383, 386, 392, 407, 416, 425, 434, 443, 452, 455, 461, 467, 469, 470, 476 (list; graph; listen)

	OFFSET	`0,2`
	EXAMPLE	`E.g. 107 is OK because 017 + 710 = 727 is prime.`
	CROSSREFS	`Cf. A052008.` `Sequence in context: A115794 A105424 A115832 this_sequence A034088 A124252 A121030` `Adjacent sequences: A052006 A052007 A052008 this_sequence A052010 A052011 A052012`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 1999.`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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