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Search: id:A075246
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| A075246 |
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y-value of the solution (x,y,z) to 4/n = 1/x + 1/y + 1/z satisfying 0 < x < y < z and having the largest z-value. The x and z components are in A075245 and A075247. |
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+0
5
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| 4, 3, 4, 7, 15, 7, 10, 16, 34, 13, 18, 29, 61, 21, 30, 46, 96, 31, 43, 67, 139, 43, 60, 92, 190, 57, 78, 121, 249, 73, 100, 154, 316, 91, 124, 191, 391, 111, 154, 232, 474, 133, 181, 277, 565, 157, 99, 326, 664, 183, 248, 379, 771, 211, 286, 436, 886, 241, 326
(list; graph; listen)
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OFFSET
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3,1
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COMMENT
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See A073101 for more details.
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MATHEMATICA
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For[xLst={}; yLst={}; zLst={}; n=3, n<=100, n++, cnt=0; xr=n/4; If[IntegerQ[xr], x=xr+1, x=Ceiling[xr]]; While[yr=1/(4/n-1/x); If[IntegerQ[yr], y=yr+1, y=Ceiling[yr]]; cnt==0&&y>x, While[zr=1/(4/n-1/x-1/y); cnt==0&&zr>y, If[IntegerQ[zr], z=zr; cnt++; AppendTo[xLst, x]; AppendTo[yLst, y]; AppendTo[zLst, z]]; y++ ]; x++ ]]; yLst
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CROSSREFS
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Cf. A073101, A075245, A075247.
Sequence in context: A021701 A097511 A021027 this_sequence A132984 A118701 A073254
Adjacent sequences: A075243 A075244 A075245 this_sequence A075247 A075248 A075249
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KEYWORD
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hard,nice,nonn
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AUTHOR
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T. D. Noe (noe(AT)sspectra.com), Sep 10 2002
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