163860
domain: N
Appears in sequences
- Numbers k such that (k-1, k+1) and (k/2-1, k/2+1) are both pairs of twin primes.at n=26A076504
- Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements.at n=4A283228
- Number of n X 5 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements.at n=3A283229
- T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements.at n=31A283232
- T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements.at n=32A283232