62566

Appears in sequences

• Number of acyclic ethylene derivatives with n carbon atoms.at n=12A005959
• Indices of triangular numbers which are also octagonal.at n=5A046182
• Number of mobiles (circular rooted trees) with n nodes and 3 leaves.at n=39A055341
• A musically inspired Titius-Bode-like sequence based on the geometric division of 4- and 5-dimensional space: Z_(n+1) = 3 * (C(n-1, 0) + C(n-1, 1) + C(n-1, 2) + C(n-1, 3) + C(n-1, 4) + C(n-1, 5)*A059620(n+6)) + 4.at n=28A209257
• Numbers n such that 3*T(n)+1 is a square, where T = A000217.at n=10A233450