185534

Appears in sequences

• Numbers k such that k^2 + k - 1 and k^2 + k + 1 are twin primes and (k + 1)*(k + 1) + k + 1 - 1 and (k + 1)*(k + 1) + k + 1 + 1 are also twin primes.at n=26A088498
• Number of integers in n-th generation of tree T(2^(-1/3)) defined in Comments.at n=50A274158
• a(n) = k if the last Dyck path that is counted in A279286(n) is the k-th Dyck path.at n=23A282198