87406

Appears in sequences

• 4th level triangle related to Eulerian numbers and binomial transforms (A062254 is third level, A062253 is second level, triangle of Eulerian numbers is first level and triangle with Z(0,0)=1 and Z(n,k)=0 otherwise is 0th level).at n=42A062255
• Number of (n+1)X(n+1) -9..9 symmetric matrices with every 2X2 subblock having sum zero and two or three distinct values.at n=8A211552