2030789

Properties

Appears in sequences

• Smaller prime p in Ormiston pairs (p, q) with q - p = 90.at n=0A163682
• a(n) = smaller member p of first (i.e., smallest) Ormiston pair (p, q) with gap 18*n.at n=4A163863
• Primes followed by a gap of 90.at n=12A204764
• Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..3 nX7 array.at n=2A218809
• 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=38A218810
• Hilltop maps: number of 3Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..3 3Xn array.at n=6A218812
• Prime numbersat n=151076