102811

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 5*x + 6.at n=21A023315
• Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2.at n=2A251202
• Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2.at n=2A251205
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2.at n=12A251210
• Square array read by antidiagonals in ascending order T(n,k), n > 1 and k > 0, representing the least prime p that starts a run of exactly k consecutive primes, all having the same sum of digits in base n > 1, or -1 if no such number exists.at n=33A375765
• Square array read by antidiagonals in ascending order where T(n,k), n>1 and k>=1, is the least prime p, written in base n, starting a run of exactly k consecutive primes with non increasing sum of digits.at n=42A376893
• Prime numbersat n=9840