110121

Appears in sequences

• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+839)^2 = y^2.at n=10A130647
• Number of 2 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0 or 2 neighboring 1s.at n=11A297458
• Number of n X n 0..1 arrays with every element unequal to 0, 1, 3, 4 or 8 king-move adjacent elements, with upper left element zero.at n=7A305246