5118750

Appears in sequences

• Number of (n+2) X 5 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=22A202197
• Triangle S(n,k) by rows: coefficients of 5^(n/2)*(x^(4/5)*d/dx)^n when n=0,2,4,6,...at n=25A223530