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A046364 Odd numbers whose sum of prime factors is prime (counted with multiplicity). 2
45, 63, 75, 99, 117, 147, 153, 165, 175, 207, 245, 273, 279, 325, 333, 345, 369, 385, 399, 405, 423, 435, 475, 477, 507, 549, 561, 567, 595, 603, 651, 657, 665, 675, 715, 747, 759, 775, 777, 795, 833, 845, 847, 867, 873, 885, 891, 903, 909, 925, 927, 957 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
MATHEMATICA
Select[Range[1, 957, 2], !PrimeQ[#] && PrimeQ[Total[Times@@@FactorInteger[#]]]&] (* Jayanta Basu, May 29 2013 *)
CROSSREFS
Sequence in context: A336555 A175761 A360769 * A321498 A051773 A307222
KEYWORD
nonn
AUTHOR
Patrick De Geest, Jun 15 1998
STATUS
approved

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Last modified June 15 10:19 EDT 2024. Contains 373407 sequences. (Running on oeis4.)