106290

Appears in sequences

• Triangle T, read by rows, where the matrix square T^2 results in shifting T right one column to drop the secondary diagonal.at n=58A152391
• T(n,k) is the number of simply connected square animals with n cells and k internal vertices (0 <= k <= A083479(n)), triangle read by rows.at n=40A308300
• a(n) is the number of free n-celled unholey treelike polyominoes.at n=12A350030
• Erroneous version of A293153.at n=4A375233