47990

Appears in sequences

• Numbers whose base-6 representation has exactly 7 runs.at n=1A043615
• a(n) = floor(e*(n+3)!) - (n+3)*(n+2)*(n+1)*n*floor(e*(n-1)!).at n=33A080770
• Number of unrooted n-edge isthmusless maps in the plane (planar with a distinguished outside face).at n=8A103942
• a(n) = n^3 - 2*n^2 + 2*n + 1.at n=36A188947
• Number of nX3 -1,1 arrays such that the sum over i=1..n,j=1..3 of i*x(i,j) is zero, the sum of x(i,j) is zero, and rows are nondecreasing (number of ways to distribute 3-across galley oarsmen left-right at n fore-aft positions so that there are no turning moments on the ship).at n=11A225339
• Number of 12Xn -1,1 arrays such that the sum over i=1..12,j=1..n of i*x(i,j) is zero, the sum of x(i,j) is zero, and rows are nondecreasing (number of ways to distribute n-across galley oarsmen left-right at 12 fore-aft positions so that there are no turning moments on the ship).at n=2A225352