68184176641
domain: N
Appears in sequences
- Smallest fourth power k such that k-1 is divisible by an n-th power, k > 1.at n=10A088040
- Number of n-tuples where each entry is chosen from the subsets of {1,2,3,4} such that the intersection of all n entries is empty.at n=8A128832
- Hilltop maps: number of n X n binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..2 n X n array.at n=5A218312
- Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..2 nX6 array.at n=5A218317
- Product_{i=0..3} (2^floor((n+i)/4)-1).at n=36A274627