57210

Appears in sequences

• Numbers n such that n^2048 + 1 is prime (a generalized Fermat prime).at n=27A088361
• a(n) = floor(sqrt(a(n-1)^2 + a(n-2)^2)), a(1)=1, a(2)=3.at n=44A104803
• Number of 2 X 2 matrices having all terms in {1,...,n} and determinant d satisfying -n < d < n.at n=25A211070
• Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths starting at each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 9, n >= 2.at n=26A214042
• Number of n element 0..1 arrays with each element the minimum of 7 adjacent elements of a random 0..1 array of n+6 elements.at n=31A217838
• Number of (n+1) X (4+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).at n=5A234560
• Number of (n+1) X (6+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).at n=3A234562
• a(n) = sigma(n,1) + sigma(n,2) + ... + sigma(n,n).at n=5A236328
• Expansion of (f(-x^5) / f(-x))^2 in powers of x where f() is a Ramanujan theta function.at n=24A263002
• p-INVERT of (1,0,0,1,0,0,0,0,0,0,...), where p(S) = 1 - S^2.at n=37A292402
• a(n) = 81*n^2 - 69*n + 24.at n=27A304616
• Expansion of (1 - x - x^4)/((1 - x - x^4)^2 - 4*x^5).at n=19A375282