132211

Appears in sequences

• Odd numbers m such that for all 2^k < m the numbers m + 2^k, m - 2^k, m*2^k + 1, and m*2^k - 1 are composite, with k >= 1.at n=15A256163
• a(n) = 2^n - A129629(n+1).at n=52A383182