111047

Appears in sequences

• Denominators of continued fraction convergents to sqrt(668).at n=8A042285
• Number of ways to place zero or more nonadjacent 2,1 2,2 3,0 3,1 3,3 4,2 4,3 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155353
• a(n) = (3*n*2^n+2^(n+4)+2*(-1)^n)/18.at n=15A172481
• a(n)=A365339(10^n)-A365740(10^n).at n=8A365739