25571

Appears in sequences

• Expansion of 1/((1-5*x)*(1-6*x)*(1-8*x)).at n=4A019783
• Pseudoprimes to base 90.at n=36A020218
• Number of canonical polygons of n sides.at n=12A052436
• a(n) is the number of (2n+1)-digit palindromic primes that undulate.at n=6A057332
• Largest eigenvalue, rounded to the nearest integer, of a rank n matrix of 1..n^2 filled successively along rows.at n=36A072333
• Number of length 3 0..n arrays with each partial sum starting from the beginning no more than sqrt(3) standard deviations from its mean.at n=29A244942
• Number T(n,k) of length 2n words such that all letters of the k-ary alphabet occur at least once and are introduced in ascending order and which can be built by repeatedly inserting doublets into the initially empty word; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=31A256117
• Number of words of length 2n such that all letters of the ternary alphabet occur at least once and are introduced in ascending order and which can be built by repeatedly inserting doublets into the initially empty word.at n=4A258490
• Number of squares and rectangles in the interior of the square with vertices (n,0), (0,n), (-n,0) and (0,-n) in a square (x,y)-grid.at n=13A330805
• X-coordinates of the lower envelope of A373330.at n=12A373331