608256

Appears in sequences

• Number of ways to place a non-attacking white and black knight on n X n chessboard.at n=27A035289
• Number of integers less than A000108(n) relatively prime to A000108(n).at n=14A062624
• Number of divisors of n!! (double factorial = A006882(n)).at n=43A114338
• Number of cycles of length 3 in the queen graph associated with an n X n chessboard.at n=33A144298
• Number of (n+1) X 4 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=7A206089
• Sum of all the parts in the partitions of 4n into 4 parts.at n=23A238328
• Expansion of x^5*(4 - 5*x)/(1 - 2*x)^4.at n=15A268598
• a(n) is the number of positive divisors of A003266(n).at n=16A272122
• Denominators of an asymptotic series for the Gamma function (odd power series).at n=4A277003