97943

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 8x + 9.at n=33A023295
• Primes p such that the decimal expansion of p^5 ends in p.at n=28A224904
• Double subfactorials: a(n) = (-1)^floor(n/2) * n!! * Sum_{i=0..floor(n/2)} (-1)^i/(n-2*i)!!.at n=13A334578
• a(n) is the numerator of Sum_{k=1..n} (-1)^(k+1) / (2*k-1)!!.at n=6A354298
• a(n) = (2*n-1)!! * Sum_{k=1..n} (-1)^(k-1)/(2*k-1)!!.at n=7A368794
• Prime numbersat n=9414