62839

Appears in sequences

• Number of asymmetric mobiles (circular rooted trees) with n nodes and 3 leaves.at n=39A055364
• a(n) gives the odd leg of the second of the two Pythagorean triangles with hypotenuse A080109(n) = A002144(n)^2. This is the larger of the two possible odd legs.at n=25A253804
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2) + 3, where a(0) = 1, a(1) = 2, b(0) = 3.at n=19A294535