97842

Appears in sequences

• Number of (n+2) X (2+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=17A258960
• Twin primes x, represented by their average, such that x is the first and x+18 the last of three successive twins.at n=8A350541