76692

Appears in sequences

• Number of polygonal tiles with n sides with two exits per side and n edges connecting pairs of exits, with no edges between exits on the same side and non-isomorphic under rotational and reflectional, i.e. dihedral, symmetry.at n=7A289269
• a(n) = (15*n^2 + 35*n + 16)*Pochhammer(n, 5) / 6!.at n=7A293610
• Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.at n=5A297430
• Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.at n=6A297436
• Number of integer compositions of n whose leaders of strictly decreasing runs are identical.at n=36A374760