34270

Appears in sequences

• Numbers k such that 1000000000k+1, 1000000000k+3, 1000000000k+7, 1000000000k+9 are all primes.at n=4A064968
• Irregular triangle E(n,g) counting not necessarily connected 3-regular simple graphs on 2n vertices with girth exactly g.at n=19A185130
• Number of not necessarily connected 3-regular simple graphs on 2n vertices with girth exactly 3.at n=9A185133
• Number of distinct lines passing through 3 or more points in an n X n grid.at n=30A225606
• Sum of distinct products i*j with 1 <= i, j <= n.at n=22A321165
• a(n) = A000032(n)^A000032(n+1) mod A000032(n+2).at n=23A350087