128171936
domain: N
Appears in sequences
- Number of ways to reciprocally link elements of an n X n array either to themselves or to exactly one king-move neighbor.at n=5A220638
- Number of ways to reciprocally link elements of an n X 5 array either to themselves or to exactly one king-move neighbor.at n=5A220641
- T(n,k) = number of ways to reciprocally link elements of an n X k array either to themselves or to exactly one king-move neighbor.at n=40A220644