25118

Appears in sequences

• Cardinality of the permutation (k, k-1, ..., 2, 1)(n, n-1, ..., k+1) in an exchange shuffle applied in all n^n possible ways to (1,2,...,n).at n=9A013560
• Powers of fifth root of 10 rounded down.at n=22A018141
• Sum of the products of the primes taken 2 at a time from the first n primes.at n=12A024447
• Largest number whose 5th power has n digits.at n=21A114323
• Sum of proper divisors minus the number of proper divisors of Motzkin number A001006(n).at n=13A154349
• Maximum probability of permutation from bad "shuffle" times n^n.at n=9A192053
• Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,4,0,2 for x=0,1,2,3,4.at n=5A196643
• Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,4,0,2 for x=0,1,2,3,4.at n=4A196644
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 1,3,4,0,2 for x=0,1,2,3,4.at n=49A196646
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 1,3,4,0,2 for x=0,1,2,3,4.at n=50A196646
• Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 5.at n=50A240014
• a(n) = floor(bell(2n)/bell(n)^2), bell = A000110.at n=12A241906
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 182", based on the 5-celled von Neumann neighborhood.at n=39A270632
• a(0) = 1; thereafter a(n) = 2*(6*n^2 - 3*n + 1).at n=46A386477