34089

Appears in sequences

• Number of Dyck n-paths with ascents and descents of length equal to 1 (mod 3).at n=19A023432
• Numbers k such that phi(k) = sigma(k+1) - sigma(k).at n=3A066152
• Rounded volume of a regular icosahedron with edge length n.at n=25A071402
• Number of ternary strings of length n containing 00.at n=10A186244
• Square array read by upward antidiagonals: T(n, k) is the number of n-ary strings of length k containing 00.at n=53A340156