203323

Properties

Appears in sequences

• Greater of twin primes p2 such that p1^3+p2^2=pp is the average of twin primes. p1 and p2 twin primes, p1 < p2.at n=23A139779
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 10000-11100-00111-00001 pattern in any orientation.at n=15A147377
• a(n) = Smallest number which has in its English name the letter "T" in the n-th position beginning the count from the end.at n=45A173206
• Primes having only {0, 2, 3} as digits.at n=37A260125
• Prime numbersat n=18250