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A025357 Numbers that are the sum of 4 nonzero squares in exactly 1 way. 1
4, 7, 10, 12, 13, 15, 16, 18, 19, 20, 21, 22, 23, 25, 26, 27, 30, 33, 35, 38, 40, 44, 46, 48, 51, 53, 59, 62, 64, 65, 72, 80, 88, 89, 101, 104, 120, 152, 160, 176, 184, 192, 248, 256, 288, 320, 352, 416, 480, 608, 640, 704, 736, 768, 992, 1024, 1152, 1280, 1408, 1664 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Index entries for sequences related to sums of squares

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Sequence in context: A087298 A127958 A000414 * A144020 A047845 A097703

Adjacent sequences:  A025354 A025355 A025356 * A025358 A025359 A025360

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 14 17:10 EST 2012. Contains 205644 sequences.