56940

Appears in sequences

• Site percolation series for Kagome lattice.at n=27A120549
• a(n) = 3*a(n-1) - a(n-3) + 3*a(n-4), with initial values 0,0,0,1.at n=13A133405
• Numbers k such that 3k - 1 divides 3^k - 1.at n=26A273614