3400336

Appears in sequences

• Number of n X 3 binary arrays without the pattern 1 1 0 diagonally or antidiagonally.at n=7A189105
• Number of 8Xn binary arrays without the pattern 1 1 0 diagonally or antidiagonally.at n=2A189116
• Lexicographically first sequence of positive squares, no two or more of which sum to a square.at n=16A305884