2097158

Appears in sequences

• a(n) = (1/2)*A050871 (row sums of array T in A050870, periodic binary words).at n=22A050872
• a(n) = 2^n + 6.at n=21A153972
• Number of compositions (ordered partitions) of n where the gcd of the part sizes is not 1.at n=43A178472
• 1/4 the number of (n+1) X 6 0..2 arrays with every 2 X 2 subblock having distinct clockwise edge differences.at n=40A209724
• Number of compositions of n where any two parts have a common divisor > 1.at n=44A337667