81956

Appears in sequences

• Number of discordant permutations.at n=25A000561
• Number of nondecreasing arrangements of n+2 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four.at n=15A189319
• Number of 2 X 2 matrices having all terms in {1,...,n} and determinant >n.at n=20A211060
• Number of length 5 0..n arrays with each partial sum starting from the beginning no more than sqrt(3) standard deviations from its mean.at n=8A244944