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A125011
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Numbers n for which nontrivial positive magic squares of exactly 4 different orders with magic sum n exist. For a definition of nontrivial positive magic squares, see A125005.
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13
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210, 315, 378, 405, 420, 441, 450, 495, 540, 555, 567, 615, 645, 705, 756, 770, 795, 810, 819, 870, 885, 891, 900, 915, 918, 924, 930, 954, 966, 975, 1005, 1026, 1062, 1065, 1071, 1089, 1095, 1098, 1110, 1122, 1185, 1188, 1197, 1206, 1218, 1230, 1242
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OFFSET
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1,1
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COMMENTS
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LINKS
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CROSSREFS
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Cf. A125005, A125006, A125007, A125008, A125009, A125010, A125012, A125013, A125014, A125015, A125016, A125017.
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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