171601

Appears in sequences

• Strong pseudoprimes to base 11.at n=31A020237
• Number of length-n 0..5 arrays with no following elements larger than the first repeated value.at n=6A267468
• Number of length-7 0..n arrays with no following elements larger than the first repeated value.at n=4A267475
• Numbers k such that (536*10^k - 23)/9 is prime.at n=21A294635