348364800

Appears in sequences

• a(n) = (n-p_1)(n-p_2)...(n-p_k) where p_k is the k-th prime and is also the largest prime < n.at n=22A080497
• a(n) = Product_{i=2..n} (prime(n+1)-prime(i)).at n=7A086803
• Braid numbers B((2)^n->(2)^n).at n=6A214624
• a(n) is the number of positive divisors of A003266(n).at n=21A272122
• a(n) is the minimal product of a positive integer sequence of length n with no duplicate substrings of length greater than 1.at n=24A282164
• a(n) is the minimal product of a positive integer sequence of length n with no duplicate substrings (forward or backward) of length greater than 1.at n=20A282193
• The number of positive integer sequences of length n with no duplicate substrings of length greater than 1 and a minimal product (= A282164(n)).at n=24A283557
• Amicable numbers k that can be expressed as a sum k = x+y = A001065(x) + A001065(y) and a sum k = z+t = A001065(z) + A001065(t) where (x, y, z, t) are parts of two amicable pairs and A001065(i) is the sum of the aliquot parts of i.at n=6A359334