54199

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 55 ones.at n=4A031823
• Number of n X 3 nonnegative integer arrays with upper left 0 and lower right n+3-6 and value increasing by 0 or 1 with every step right or down.at n=7A252925
• T(n,k) = Number of n X k nonnegative integer arrays with upper left 0 and lower right n+k-6 and value increasing by 0 or 1 with every step right or down.at n=47A252930
• T(n,k) = Number of n X k nonnegative integer arrays with upper left 0 and lower right n+k-6 and value increasing by 0 or 1 with every step right or down.at n=52A252930
• Number of length n arrays of permutations of 0..n-1 with each element moved by -3 to 3 places and exactly two more elements moved upwards than downwards.at n=12A263782
• Number of nX4 0..1 arrays with every element unequal to 1, 2, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=9A318548
• a(n) is the number of n-celled polyominoes with holes in the {4,5} tessellation of the hyperbolic plane.at n=14A390197