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Search: id:A136048
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| 185, 497, 511, 1041, 1059, 1903, 3107, 4705, 4735, 6817, 9481, 12761, 16721, 33379, 48961, 49027, 68857, 80561, 80639, 93521, 179503, 201241, 250097, 306281, 306403, 405551, 482161, 482303, 523921, 885631, 947939, 1081001, 1081187, 1226177
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OFFSET
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1,1
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COMMENT
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185 = 5*37, 497 = 7*71, 511 = 7*73, 1041 = 3*347, 1059 = 3*353, 1903 = 11*173, 3107 = 13*239, 4705 = 5*941, 4735 = 5*947, 6817 = 17*401, 9481 = 19*499, 12761 = 7*1823, 16721 = 23*727, 33379 = 29*1151, 48961 = 11*4451, 49027 = 11*4457, 68857 = 37*1861, 80561 = 13*6197, 80639 = 13*6203, 93521 = 41*2281.
Positions of a(n) in A136047 are given in A135439.
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MATHEMATICA
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a[1]=1; a[n_]:=a[n]=a[n-1]+n^(1+Mod[n, 2]); A136047=Table[a[n], {n, 1000}]; A136048=Select[A136047, Total[Last/@FactorInteger[ # ]]==2&]
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CROSSREFS
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Cf. A136047.
Adjacent sequences: A136045 A136046 A136047 this_sequence A136049 A136050 A136051
Sequence in context: A060491 A139265 A129311 this_sequence A015273 A124207 A068257
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KEYWORD
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nonn
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), Dec 12 2007
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