170099

Properties

Appears in sequences

• Numbers n such that 9^n - 8^n is prime or a strong pseudoprime.at n=11A059803
• Primes p such that 7 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248).at n=32A080186
• Numbers k such that A109631(k) - A109631(k+1) = A109631(k+2).at n=36A109715
• a(n) = (A376907(n) - 10^(n-1))/3.at n=10A376933
• Prime numbersat n=15505