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A232471
Main diagonal of A232467.
4
1, 1, 2, 9, 75, 1355
OFFSET
0,3
LINKS
Craig S. Kaplan, Grid-based decorative corners, in Proceedings of Bridges 2013: Mathematics, Music, Art, ..., 2013, pp. 317-324.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 24 2013
STATUS
approved