262632

Appears in sequences

• Number of distinct ribbon Schur functions with n boxes; also the number of distinct multisets of partitions determined by all coarsenings of compositions of n.at n=19A120421
• Number of n X n binary arrays with all ones connected only in a tee 1,1 1,2 1,3 2,2 in any orientation.at n=6A145925
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a tee 1,1 1,2 1,3 2,2 in any orientation.at n=15A145927