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A125009
Numbers n for which nontrivial positive magic squares of exactly 2 different orders with magic sum n exist. For a definition of nontrivial positive magic squares, see A125005.
13
42, 54, 66, 70, 75, 78, 102, 105, 110, 111, 114, 117, 120, 123, 126, 129, 130, 138, 141, 147, 153, 159, 162, 170, 171, 174, 175, 177, 180, 182, 183, 186, 190, 198, 201, 207, 213, 219, 222, 230, 234, 237, 238, 240, 243, 245, 246, 249, 250, 252, 258, 260, 261
OFFSET
1,1
COMMENTS
A125009 lists all values s such that A125005(s) = 2.
KEYWORD
easy,nonn
AUTHOR
Jens Voß, Nov 15 2006
STATUS
approved