268810

Appears in sequences

• Numbers m such that m+1, m+3, m+7, m+9 and m+13 are all primes.at n=17A245304
• Number of (n+2) X (7+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 0 or 3 and no column sum 0 or 3.at n=25A258965