49223

Properties

Appears in sequences

• Number of dyslexic planted planar trees with n nodes.at n=12A032128
• Numbers n such that (9^n + 1)/10 is a prime.at n=8A057175
• Primes p=prime(i) of level (1,5), i.e., such that A118534(i) = prime(i-5).at n=3A118464
• Number of (n+1)X(n+1) 0..3 symmetric matrices containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in lower triangle row major order.at n=3A210816
• Odd primes p for which there are exactly as many primes in the range [prevprime(p)^2, prevprime(p)*p] as there are in the range [prevprime(p)*p, p^2], where prevprime(p) gives the previous prime before prime p.at n=41A256473
• Lexicographically largest strictly increasing sequence of primes for which the continued square root map produces Feigenbaum's constant delta = 4.6692016... (A006890).at n=31A257809
• Prime numbersat n=5061