-638976

Appears in sequences

• Determinant of the n X n matrix whose element (i,j) equals |i-j| (mod 4).at n=15A071769
• Matrix log of triangle A111975, which shifts columns left and up under matrix square; these terms are the result of multiplying each element in row n and column k by (n-k)!.at n=37A111978
• Expansion of (eta(q^2)^7 / eta(q^4)^2)^4 + 16 * (eta(q)^2 * eta(q^2) * eta(q^4)^2)^4 in powers of q.at n=23A173763