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A374937
Maximum number of squares covered (i.e., attacked) by 7 independent (i.e., nonattacking) queens on an n X n chessboard.
3
49, 64, 81, 100, 121, 144, 169, 194, 221, 242, 269, 294
OFFSET
7,1
COMMENTS
Initial terms computed by Mia Muessig.
FORMULA
a(19) >= 321, a(20) >= 348.
CROSSREFS
Column 7 of A376732.
Sequence in context: A038640 A326151 A216165 * A065807 A038678 A225120
KEYWORD
nonn,more
AUTHOR
John King, Sep 09 2024
STATUS
approved