37531

Appears in sequences

• a(n) = T(3n,n), where T is the array defined in A026082.at n=6A026090
• Revert transform of 2*x*(1 - x + x^6)-x/(1+x).at n=9A049182
• a(n) = Sum_{i=1..n, j=1..n, gcd(i,j)=1} i.at n=48A333297
• Triangle read by rows: T(n,w) is the number of n-step self avoiding walks on a 3D cubic lattice confined inside a tube of cross section 2w X 2w where the walk starts at the center of the tube's side.at n=24A337401
• Triangle read by rows: T(n,w) is the number of n-step self avoiding walks on a 3D cubic lattice confined between two infinite horizontal planes a distance 2w apart and an orthogonal plane on the y-z axes, where the walk starts at the middle point between the planes on the y-z plane.at n=24A338127