698544000

Appears in sequences

• Number of (n+2)X7 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=10A202097
• Number of (n+1)X(6+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=11A250430
• Zeckendorf-infinitary perfect numbers: numbers k such that A331107(k) = 2*k.at n=9A331108
• Triangle read by rows, T(n,k) with n,k > 1, is the number of subsequences of length k over all permutations of [n], which are neither increasing or decreasing.at n=38A373766