353384
domain: N
Appears in sequences
- Numbers n such that 155*2^n-1 is prime.at n=28A050619
- Number of toroidal n X 2 binary arrays, allowing rotation and/or reflection of the rows and/or the columns.at n=11A222187
- Table read by antidiagonals: T(n,k) is the number of tilings of the n X k torus up to 180-degree rotation by two tiles that are both fixed under 180-degree rotation.at n=39A368307
- Table read by antidiagonals: T(n,k) is the number of tilings of the n X k torus up to 180-degree rotation by two tiles that are both fixed under 180-degree rotation.at n=41A368307