873936

Appears in sequences

• Theta series of A*_16 lattice.at n=55A023928
• a(n) is the number of sets of natural numbers [a,b,c,d,e] that can be produced with the numbers [0..n] such that the values of all the distinct parenthesized expressions of a-b-c-d-e are different.at n=16A054026
• Number of 2 X 2 matrices with entries in {0,1,...,n} and even determinant with no entry repeated.at n=35A277044
• Square array read by descending antidiagonals: (-1)^n*T(n,k)/n! is the coefficient of x^(2*n+1) in the Taylor expansion of the k-th iteration of sin(x).at n=59A366834