23134

Appears in sequences

• Numbers k such that 6*prime(k) -+ {1,5} are all prime.at n=31A174393
• Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 1 and no column sum 1.at n=3A256021
• Number of (n+2)X(4+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 1 and no column sum 1.at n=3A256025
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 1 and no column sum 1.at n=24A256029
• Numbers n such that n!!! - 3^9 is prime, where n!3 = n!!! is a triple factorial number (A007661).at n=27A267029
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 605", based on the 5-celled von Neumann neighborhood.at n=27A273177
• Numbers k such that k^2+1, (k+2)^2+1 and (k+6)^2+1 are prime.at n=35A302021