339768
domain: N
Appears in sequences
- Number of walks on square lattice. Column y=1 of A052174.at n=11A005559
- Row 1 of table in A067640.at n=5A067636
- Table T(n,k) giving number of two-legged knot diagrams with n >= 0 self-intersections and k >= 0 tangencies, read by antidiagonals.at n=26A067640
- G.f. = Phi^4*F^2, where Phi = g.f. for A028930, F = g.f. for A028959.at n=24A328533