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A168530
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Numbers that are the product of two distinct primes and they are sum of 3 consecutive products of two distinct primes.
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0
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39, 58, 69, 93, 123, 177, 185, 253, 278, 295, 417, 446, 478, 538, 566, 597, 614, 698, 749, 766, 794, 898, 917, 982, 998, 1042, 1059, 1149, 1159, 1286, 1351, 1393, 1441, 1546, 1623, 1639, 1649, 1658, 1718, 1766, 1799, 1822, 1939, 1966, 2045, 2078, 2126
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OFFSET
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1,1
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LINKS
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EXAMPLE
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10+14+15=39, 15+21+22=58,..
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MATHEMATICA
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f[n_]:=Last/@FactorInteger[n]=={1, 1}; a=6; b=10; lst={}; Do[If[f[n], p=a+b+n; If[f[p], AppendTo[lst, p]]; a=b; b=n], {n, 13, 7!}]; lst
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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