233135

Appears in sequences

• Number of inequivalent (mod D_3) ways to place 4 points on a triangular grid of side n so that they are not vertices of an equilateral triangle with sides parallel to the grid.at n=9A243209
• Triangle read by rows: coefficients of expansion of certain weighted sums P_1(n,k) of Fibonacci numbers as a sum of powers.at n=29A341723
• Column 1 of A341723.at n=6A341726