433620

Appears in sequences

• Row 4 of table in A067640.at n=2A067639
• 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=23A067640
• Column 2 of table in A067640.at n=4A067642
• Triangle generated by e.g.f.: A(x,y) = exp(x + y*(x^2+x^3)), read by rows of length [n/2+1].at n=44A118588