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A125006
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Numbers n for which nontrivial positive magic squares with magic sum n exist. For a definition of nontrivial positive magic squares, see A125005.
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12
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15, 18, 21, 24, 27, 30, 33, 34, 36, 38, 39, 42, 45, 46, 48, 50, 51, 54, 57, 58, 60, 62, 63, 65, 66, 69, 70, 72, 74, 75, 78, 80, 81, 82, 84, 85, 86, 87, 90, 93, 94, 95, 96, 98, 99, 100, 102, 105, 106, 108, 110, 111, 114, 115, 117, 118, 120, 122, 123, 125, 126, 129, 130
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OFFSET
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1,1
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COMMENTS
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This sequence lists all values s such that A125005(s) > 0.
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LINKS
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Table of n, a(n) for n=1..63.
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EXAMPLE
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a(1) = 15 because 15 is the smallest integer s for which a nontrivial positive magic square with magic sum s exists.
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CROSSREFS
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Cf. A125005, A125007, A125008, A125009, A125010, A125011, A125012, A125013, A125014, A125015, A125016, A125017.
Sequence in context: A067757 A063779 A063781 * A125008 A290015 A274979
Adjacent sequences: A125003 A125004 A125005 * A125007 A125008 A125009
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KEYWORD
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easy,nonn
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AUTHOR
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Jens Voß, Nov 15 2006
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STATUS
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approved
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