113437

Properties

Appears in sequences

• a(n) = number of n-lettered words in the alphabet {1, 2, 3} with as many occurrences of the substring (consecutive subword) [1, 1, 2] as of [1, 2, 1].at n=11A211289
• Numbers k such that 6*k + 1 is a prime that can be written as p*q + 2, with p and q being consecutive primes.at n=23A342564
• Pairs of prime numbers (p,q), p minimal, such that prime(n) = p^3 - 2*q, or (0,0) if no such pair exists.at n=55A392479
• Prime numbersat n=10746