51616

Appears in sequences

• Expansion of e.g.f. exp(tanh(log(1+x))).at n=10A009257
• Numbers k such that k and k^2 use only the digits 1, 2, 4, 5 and 6.at n=58A136988
• Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square grid such that the picked positions have a point symmetry or a line symmetry.at n=32A292153