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A047801
Number of different values of i^2+j^2+k^2+l^2 for i,j,k,l in [ 0,n ].
+0
5
1, 5, 14, 29, 50, 74, 111, 149, 197, 247, 308, 370, 451, 526, 613, 706, 815, 914, 1037, 1146, 1284, 1416, 1565, 1698, 1876, 2030, 2209, 2380, 2578, 2757, 2972, 3168, 3401, 3612, 3850, 4071, 4339, 4575, 4843, 5089, 5388
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.
AT&T Labs Research
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