31966

Appears in sequences

• Revert transform of (-1 + 2x + x^2)/(-1 + x + 2x^2 + x^3).at n=9A049127
• Sign twisted convoluted convolved Fibonacci numbers H_7^(r).at n=21A089114
• Number of ways to place zero or more nonadjacent 1,1 2,1 3,0 3,1 4,2 4,3 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155394
• a(n) = 2662*n + 22.at n=11A157613
• The number of triangles in an equipotential triangle divided by medians into n rows of smaller triangles.at n=15A210687
• The number of subsets of nonzero integers of cardinality n, produced as the steps in a computation starting with 1 and using the operations of multiplication, addition, or subtraction.at n=5A229673
• The first of 26 consecutive positive integers the sum of the squares of which is a square.at n=4A269448