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A025359 Numbers that are the sum of 4 nonzero squares in exactly 3 ways. 1
28, 42, 55, 60, 66, 67, 73, 75, 78, 79, 85, 92, 95, 99, 109, 110, 112, 121, 125, 129, 134, 137, 161, 164, 168, 173, 179, 209, 240, 264, 312, 368, 440, 448, 536, 656, 672, 960, 1056, 1248, 1472, 1760, 1792, 2144, 2624, 2688, 3840, 4224, 4992, 5888, 7040, 7168 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Price, Table of n, a(n) for n = 1..68

Eric Weisstein's World of Mathematics, Square Number

Index entries for sequences related to sums of squares

CROSSREFS

Sequence in context: A219882 A154035 A025368 * A056031 A061826 A260954

Adjacent sequences:  A025356 A025357 A025358 * A025360 A025361 A025362

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified November 21 15:35 EST 2017. Contains 295002 sequences.