-194480

Appears in sequences

• a(n) = 1 - n^4.at n=21A024002
• Triangle read by rows: T(n, k) = (-1)^(n + 1)*L(n) * M(n, k) where M is the inverse of the matrix generated by the triangle A368846 and L(n) is the lcm of the denominators of the terms in the n-th row of M.at n=41A369134