52450

Appears in sequences

• The number of six-fold coverings of a set.at n=4A165437
• Number of ways to put n copies of 1,2,3,4 into sets.at n=6A175707
• T(n,k) = number of (n*k) X k binary arrays with rows in nonincreasing order and n ones in every column.at n=41A188392
• Labelings of n diamond-shaped posets with 4 vertices per diamond where the labels follow the poset relations whose associated reading permutation avoids 231 in the classical sense.at n=5A260332
• Numbers k such that (86*10^k - 221)/9 is prime.at n=23A288823
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=0..n} binomial(n,j) * binomial(k*n+j+1,n)/(k*n+j+1).at n=50A336534
• Numbers that are the sum of ten fifth powers in three or more ways.at n=3A345635
• Numbers that are the sum of ten fifth powers in exactly three ways.at n=3A346348