415506534
domain: N
Appears in sequences
- Number of nX6 binary arrays whose sum with another nX6 binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order.at n=6A225898
- Number of nX7 binary arrays whose sum with another nX7 binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order.at n=5A225899