3301819

Properties

Appears in sequences

• Alternating factorials: n! - (n-1)! + (n-2)! - ... 1!.at n=10A005165
• Primes of the form Sum_{i=1..k} (-1)^(k-i)*i!.at n=6A071828
• Primes in the sequence f(n) = f(n-1)+((-1)^n)*n!, with f(0)=0.at n=3A119555
• a(n) is the least prime factor of the alternating factorial n! - (n-1)! + (n-2)! - ... 1! for n > 2; a(1) = a(2) = 1.at n=9A359808
• Prime numbersat n=237016