2857102551

Appears in sequences

• a(n) = A118443(n)/(n+1), where A118443 is the row sums of triangle A118441.at n=27A118444
• a(n) = 2*a(n-1) - 5*a(n-2), with a(1) = -1, a(2) = -7.at n=26A138749