63467

Properties

Appears in sequences

• Primes p that have exactly three primitive roots that are not primitive roots mod p^2.at n=32A060519
• T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..3 nXk array.at n=37A218810
• Hilltop maps: number of 2Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..3 2Xn array.at n=7A218811
• Prime numbersat n=6361