-19922944

Appears in sequences

• a(n+1)=2a(n)-4a(n-1)+4a(n-2).at n=30A035302
• a(n) = 4^n*(1-2*n).at n=10A144704
• a(n) = 2^n*(1-n).at n=20A159964
• Determinant of the symmetric n X n matrix M_n where M_n(j,k) = n for j = k, M_n(j,n) = n-j, M_n(n,k) = n-k, M_n(j,k) = 0 otherwise.at n=7A174963
• Binomial transform of [0, 1, 2, -3, -4, 5, 6, -7, -8, ...].at n=38A316386