-257040

Appears in sequences

• Determinant of the n X n matrix in which the entries are 1 through n^2, spiraling inward starting with 1 in the (1,1)-entry.at n=5A126224
• Triangle T(n,k) read by rows: matrix inverse of A106246.at n=28A167196
• First column of A167196.at n=7A167199
• Column 2 of triangle in A331431.at n=13A331434