261375

Appears in sequences

• Binary palindromic numbers with only two 0 bits, both in the middle.at n=7A220236
• a(n) = Sum_{k = ceiling(n/2)..n-1} A354169(k).at n=25A354757
• a(n) is the bitwise OR of (the binary expansions of) b(n+1) to b(2*n), where b is A354169.at n=11A354780