222877

Properties

Appears in sequences

• Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.at n=8A305449
• Primes having only {2, 7, 8} as digits.at n=38A385789
• Prime numbersat n=19846