id:A064166 - OEIS Search Results

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Composite numbers the sum of the digits in the prime factors of which, with repetition, is prime.

+0
1

6, 10, 12, 28, 33, 39, 40, 45, 46, 48, 51, 54, 55, 56, 57, 58, 63, 66, 75, 80, 82, 85, 90, 91, 93, 94, 96, 102, 108, 111, 130, 133, 147, 154, 156, 159, 166, 172, 175, 177, 178, 182, 184, 190, 207, 210, 213, 217, 219, 220, 224, 226, 228, 232, 237, 238, 244, 245 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`220 is included because 220 = 225*11, and 2+2+5+1+1 = 11, which is prime.`
	CROSSREFS	`Sequence in context: A046363 A101086 A074924 this_sequence A107371 A006187 A004234` `Adjacent sequences: A064163 A064164 A064165 this_sequence A064167 A064168 A064169`
	KEYWORD	`nonn`
	AUTHOR	`Harvey P. Dale (hpd1(AT)nyu.edu), Sep 19 2001`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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