31262

Appears in sequences

• Expansion of -(2*x^3-x^2+x-1)/(x^4-3*x^3+3*x^2-3*x+1).at n=14A013326
• Number of n X 2 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, vertically or antidiagonally, and no adjacent values equal.at n=7A232155
• T(n,k)=Number of nXk 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, vertically or antidiagonally, and no adjacent values equal.at n=37A232161
• T(n,k)=Number of nXk 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, vertically or antidiagonally, and no adjacent values equal.at n=43A232161
• a(n) = ((n + 1) - 9*(n + 1)^2 + 8*(n + 1)^3)/6.at n=28A331987
• Positions of 4's in A347381.at n=51A347394
• Number of ways to partition the set of vertices of a convex {n+8}-gon into 3 non-intersecting polygons.at n=21A350116