5031180

Appears in sequences

• Negative value of coefficient of x^(n-3) in the characteristic polynomial of a certain n X n integer circulant matrix.at n=19A127408
• Triangle read by rows: T(n,k) is the number of oriented colorings of the facets of a regular n-dimensional orthotope using exactly k colors. Row n has 2n columns.at n=53A325008