238920

Appears in sequences

• Number of 1:4:sqrt(17) proportioned triangles on a (n+1) X (n+1) grid.at n=37A189884
• Expansion of e.g.f. 1/(1 - x)^log(1 - x).at n=11A308346
• Numbers k such that A380845(k) = 3*k.at n=14A380847