55867

Appears in sequences

• Triangle read by rows: T(n,k) is the number of k-matchings in the C_n X P_3 graph (C_n is the cycle graph on n vertices and P_3 is the path graph on 3 vertices).at n=39A102089
• Number of compositions of n with exactly four descents.at n=7A241629
• Record values in A356640.at n=22A356642