A007842 Largest determinant of 2n+1 X 2n+1 matrix with entries +-1 and 0 diagonal.

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.

Links

Table of n, a(n) for n=1..5.

Crossrefs

Sequence in context: A111985 A265860 A138463 * A287595 A201511 A264839

Adjacent sequences: A007839 A007840 A007841 * A007843 A007844 A007845

Keyword

nonn,hard,more

Author

N. J. A. Sloane.

Status

approved