73230

Appears in sequences

• Number of convex polygons of length 2n on honeycomb, or EG-convex polyominoes.at n=16A006743
• 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, 0, -1), (1, 1, 0), (1, 1, 1)}.at n=8A150944
• Partial sums of A002861.at n=12A173761
• Number of partitions of n whose median is a part.at n=44A238478
• Trajectory of 270 under repeated application of k -> (phi(k)+sigma(k))/2.at n=20A291789