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Search: id:A129947
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| A129947 |
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Smallest possible side length for simple perfect squared square of order n; or 0 if no such a square exists. |
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+0
1
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| 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 112, 110, 110, 120, 147, 212, 180
(list; graph; listen)
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OFFSET
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1,21
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COMMENT
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Skinner (1993) gives the smallest possible side length (and smallest order for each) as 110 (22), 112 (21), 120 (24), 139 (22), 140 (23), ... for simple perfect squared squares.
Estimates for next few terms: a(29) <= 201, a(30) <= 255, a(31) <= 237.
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REFERENCES
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Skinner, J. D. II. Squared Squares: Who's Who & What's What. Published by the author, 1993.
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LINKS
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Anderson, S., Perfect Rectangles, Perfect Squares.
Eric Weisstein, Link to a section of The World of Mathematics. Perfect Square Dissection.
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CROSSREFS
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Cf. A006983 = number of simple perfect squared squares of order n.
Sequence in context: A015262 A103849 A010032 this_sequence A096680 A109383 A036301
Adjacent sequences: A129944 A129945 A129946 this_sequence A129948 A129949 A129950
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KEYWORD
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more,nonn
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AUTHOR
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Alexander Adamchuk (alex(AT)kolmogorov.com), Jun 09 2007, corrected Jun 11 2007
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