136170

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 82.at n=8A031760
• a(0)=1, a(1)=9, a(n)= 19*a(n-1)-81*a(n-2) for n>1.at n=5A165324
• Number of (n+1) X (2+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=12A258548