263190

Appears in sequences

• 1/4 the number of (n+1) X 6 binary arrays with all 2 X 2 subblock sums the same.at n=18A183982
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384650.at n=62A384654