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A007842
Largest determinant of 2n+1 X 2n+1 matrix with entries +-1 and 0 diagonal.
0
2, 22, 394, 8760, 240786
OFFSET
1,1
REFERENCES
F. Bussemaker, I. Kaplansky, B. McKay, J. J. Seidel, Determinants of Matrices of the Conference Type, Linear Alg. Applications, vol. 261 (1997), 275-292.
CROSSREFS
Sequence in context: A111985 A265860 A138463 * A287595 A201511 A264839
KEYWORD
nonn,hard,more
AUTHOR
STATUS
approved