36640
domain: N
Appears in sequences
- Number of ways to reciprocally link elements of an n X 4 array either to themselves or to exactly one horizontal or antidiagonal neighbor.at n=4A220558
- T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly one horizontal or antidiagonal neighbor.at n=32A220562
- Number of ways to reciprocally link elements of an 5Xn array either to themselves or to exactly one horizontal or antidiagonal neighbor.at n=3A220566
- Number of length 2+2 0..n arrays with some pair in every consecutive three terms totalling exactly n.at n=30A245871
- Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k UHU configurations, where U=(0,1), H(1,0); (n>=2, k>=0).at n=52A273896
- Number of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of five.at n=16A274862