1600225

Appears in sequences

• Squares which can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways.at n=1A054738
• Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.at n=6A208106
• Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.at n=5A208112
• Squares, without multiplicity, that are the concatenation of two integers (without leading zeros) the product of which is also a square.at n=34A258060