20238336

Appears in sequences

• a(n) = T(2n,n), T given by A027157.at n=10A027158
• a(n) = T(n,[ n/2 ]), T given by A027157.at n=20A027163
• (n-1)-st elementary symmetric function of the first n terms of (1,2,3,4,1,2,3,4,1,2,3,4,...) = A010883.at n=18A203163