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#20 by OEIS Server at Wed Nov 21 03:18:07 EST 2018
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| LINKS
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Hans Havermann, <a href="/A103266/b103266_1.txt">Table of n, a(n) for n = 1..1400</a> (terms 1..465 from Antti Karttunen)
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#19 by Joerg Arndt at Wed Nov 21 03:18:07 EST 2018
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Discussion
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| Wed Nov 21
| 03:18
| OEIS Server: Installed new b-file as b103266.txt. Old b-file is now b103266_1.txt.
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#18 by Michel Marcus at Sat Nov 17 01:51:22 EST 2018
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#17 by Antti Karttunen at Sat Nov 17 01:31:34 EST 2018
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#16 by Antti Karttunen at Sat Nov 17 01:30:53 EST 2018
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| LINKS
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AnttiHans KarttunenHavermann, <a href="/A103266/b103266_1.txt">Table of n, a(n) for n = 1..4651400</a>> (terms 1..465 from Antti Karttunen)
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| STATUS
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approved
editing
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Discussion
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| Sat Nov 17
| 01:31
| Antti Karttunen: Hans kindly computed a larger b-file, and I downloaded it from http://chesswanks.com/seq/b103266.txt
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#15 by Susanna Cuyler at Wed Nov 14 08:12:02 EST 2018
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#14 by Jon E. Schoenfield at Tue Nov 13 22:35:07 EST 2018
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#13 by Jon E. Schoenfield at Tue Nov 13 22:35:04 EST 2018
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| COMMENTS
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Since every positive integer is the sum of four squares, no term is greater than 4. Also, since any positive integer not of the form 4^k(8m+7) is the sum 3 or fewer squares, the next occurrences of a(n)=4 are at n = 45, 57, 69, 81, 83, 93,.... - _, .... - _John W. Layman_, Mar 30 2005
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| STATUS
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proposed
editing
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#12 by Michael De Vlieger at Tue Nov 13 17:24:20 EST 2018
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#11 by Michael De Vlieger at Tue Nov 13 17:24:15 EST 2018
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| MATHEMATICA
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Array[If[First[#] > 0, 1, Length@ First@ Split@ # + 1] &@ SquaresR[Range@ 4, Fibonacci@ #] &, 50, 2] (* Michael De Vlieger, Nov 13 2018, after Harvey P. Dale at A002828 *)
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proposed
editing
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