24819
domain: N
Appears in sequences
- Number of 4-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=35A187509
- Number of vertices in a Y-shaped polygon with equal arms of length n (see the Comments in A335861 for definition).at n=13A337790
- The internal state of the Sinclair ZX81 and Spectrum random number generator.at n=6A357907