412306

Appears in sequences

• Number of immersions of oriented circle into oriented sphere with n double points.at n=9A008986
• Triangle read by rows: T(n,g) = number of general immersions of a circle with n crossings in a surface of arbitrary genus g, in the case that the circle is oriented and the surface is oriented.at n=36A260285
• Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2.at n=4A275130
• Number of 5Xn 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2.at n=6A275134