115638

Appears in sequences

• a(0) = 1, a(1) = 3; a(n+2) = (a(n+1) + a(n))/2 if 2 divides (a(n+1) + a(n)), a(n+2) = a(n+1) + a(n) otherwise.at n=47A151749
• Number of n-isohedral edge-to-edge colorings of regular polygons.at n=5A269630
• The sum of the areas of the bargraphs of semiperimeter n (n>=2).at n=9A273347