61013
domain: N
Appears in sequences
- Number of coverings of {1...n} by translation of a single set.at n=16A096202
- Hilltop maps: number of n X n binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..2 n X n array.at n=3A218198
- Hilltop maps: number of n X 4 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..2 n X 4 array.at n=3A218202
- T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..2 nXk array.at n=24A218206
- Composite squarefree numbers n such that p(i)-7 divides n+7, where p(i) are the prime factors of n.at n=25A225707
- Numbers k such that A339549(k) = A339549(k+1).at n=32A339550
- Number of subsets of {2..n} such that it is not possible to choose a different binary index of each element.at n=17A370643