117340

Appears in sequences

• Number of trees on n nodes with forbidden limbs.at n=18A014270
• 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), (-1, 1, 1), (0, 1, -1), (1, 0, 1)}.at n=10A149203
• Number of binary strings of length n with no substrings equal to 0001 or 0010.at n=20A164392
• Coordination sequence for (2,4,7) tiling of hyperbolic plane.at n=31A265062