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A165363
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Integers of pseudo-averages of at least two consecutive nonprime numbers of the form (a+b+c+..+z)/z, which can be expressed in more than one way.
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0
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6, 7, 10, 11, 12, 13, 14, 15, 16, 17, 20, 22, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87
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OFFSET
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1,1
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COMMENTS
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(6+8+9+10+12+14+15+16+18)/18=6, (10+12+14+15+16+18+20+21)/21=6, (18+20+21+22+24+25+26)/26=6,..
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LINKS
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MATHEMATICA
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lst={}; Do[a=0; If[ !PrimeQ[q], Do[If[ !PrimeQ[n], m=n; a+=m; e=a/n; If[IntegerQ[e]&&a!=n, If[e<92, AppendTo[lst, e], Break[]]]], {n, q, 6000}]], {q, 5200}]; lst=Sort@lst; lst1={3}; lst2={}; Do[If[lst[[n]]==lst[[n+1]]||lst[[n]]==lst[[n-1]], AppendTo[lst2, lst[[n]]], AppendTo[lst1, lst[[n]]]], {n, 1, Length[lst]-1, 1}]; Union@lst2
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CROSSREFS
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KEYWORD
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nonn,uned
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AUTHOR
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STATUS
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approved
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