203168

Appears in sequences

• Maximal number of regions into which 5-space can be divided by n hyperspheres.at n=28A059174
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 1, 0), (1, -1, 0), (1, 1, 1)}.at n=9A150725
• Number of reduced words of length n in the infinite affine Weyl group (E_6)^{~} on 7 generators.at n=22A161410