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A065462
Number of inequivalent (ordered) solutions to n^2 = sum of 8 squares of integers >= 0.
2
1, 1, 2, 3, 5, 8, 11, 18, 25, 36, 51, 73, 90, 133, 169, 223, 295, 380, 452, 603, 763, 903, 1115, 1385, 1668, 2025, 2398, 2811, 3535, 4011, 4683, 5503, 6724, 7316, 8684, 9946, 11844, 12994, 15091, 16712, 20493, 21663, 24975, 27536, 33079, 34654, 39957, 43315
OFFSET
0,3
LINKS
EXAMPLE
a(4)=5 because 16 produces {0,0,0,0,0,0,0,4}, {0,0,0,0,2,2,2,2}, {0,0,0,1,1,1,2,3}, {0,1,1,1,1,2,2,2}, {1,1,1,1,1,1,1,3}.
MATHEMATICA
Length/@Table[SumOfSquaresRepresentations[8, (k)^2], {k, 36}]
CROSSREFS
Column k=8 of A255212.
Sequence in context: A263710 A135908 A056891 * A062762 A004693 A272136
KEYWORD
nonn
AUTHOR
Wouter Meeussen, Nov 18 2001
EXTENSIONS
a(0), a(37)-a(47) from Alois P. Heinz, Feb 16 2015
STATUS
approved