129444

Appears in sequences

• a(n) = A051717(2n) + A051717(2n+1).at n=33A140812
• Number of (n+3)X(2+3) 0..1 arrays with each row divisible by 11 and column not divisible by 11, read as a binary number with top and left being the most significant bits.at n=7A263285
• Number of ways to select 4 numbers from the set of the first n natural numbers avoiding 3-term arithmetic progressions.at n=41A300760