137251

Properties

Appears in sequences

• Hilltop maps: number of n X 3 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 n X 3 array.at n=5A219073
• T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 nXk array.at n=33A219078
• Hilltop maps: number of 6Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 6Xn array.at n=2A219083
• n-th prime that begins with prime(n).at n=32A229206
• Primes whose base-7 representation also is the base-3 representation of a prime.at n=41A235470
• Prime numbersat n=12780