161691

Appears in sequences

• Numbers k such that (58*10^k + 329)/9 is prime.at n=24A294570
• Triangle read by rows: T(n,k) is the number of oriented series-parallel networks with n colored elements and without multiple unit elements in parallel using exactly k colors.at n=23A339297
• Number of permutations of [n] that avoid the patterns 2-41-3, 3-14-2, 2-1-4-3, and 3-41-2.at n=11A363812