id:A048526 - OEIS Search Results

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Primes for which only four iterations of 'Prime plus its digit sum equals a prime' is possible.

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37783, 85601, 259631, 268721, 350941, 371939, 378901, 516521, 665111, 733331, 883331, 967781, 1047929, 1056521, 1081721, 1258811, 1427411, 1480573, 1515929, 1584901, 1614929, 1842131, 1875311, 1885981, 2027801, 2044873, 2450531 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`prime 37783 -> 37783 + (3+7+7+8+3) = prime 37811 -> 37811 + (3+7+8+1+1) = prime 37831 -> 37831 + (3+7+8+3+1) = prime 37853 -> 37853 + (3+7+8+5+3) = prime 37879 -> next iteration yields composite 37913.`
	CROSSREFS	`Cf. A047791, A048519.` `Adjacent sequences: A048523 A048524 A048525 this_sequence A048527 A048528 A048529` `Sequence in context: A112728 A022245 A092682 this_sequence A102332 A068077 A094427`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), May 15 1999.`

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Last modified October 11 09:12 EDT 2008. Contains 144832 sequences.

AT&T Labs Research