130548

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/30).at n=46A011940
• Integer part of ((4th elementary symmetric function of 1,2,...,n)/(1+2+...+n)).at n=17A024171
• Jacobi form of weight 12 and index 1 for Niemeier lattice of type A_1^24.at n=8A055766
• Smallest a(n) > a(n-1) such that a(n)^2+a(n-1)^2 is a perfect square, with a(1)=5.at n=34A076671
• Smallest a(n)>a(n-1) such that a(n)^2+a(n-1)^2 is a perfect square, a(1)=9.at n=34A076674
• Number of ways to place 2 nonattacking nightriders on an n X n board.at n=22A172141
• Number of 3 X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=12A207683
• Number of length n 0..7 arrays with each partial sum starting from the beginning no more than sqrt(2) standard deviations from its mean.at n=5A244902
• Number of length 6 0..n arrays with each partial sum starting from the beginning no more than sqrt(2) standard deviations from its mean.at n=6A244909