1085760

Appears in sequences

• a(n) = T(4*n,n), where T = Catalan triangle (A008315).at n=7A026005
• Inverse binomial transform of Thue-Morse sequence A001285.at n=27A029880
• Eighth column of Catalan triangle A009766.at n=15A064061
• Triangle, read by rows, where row n equals the inverse binomial transform of the crystal ball sequence for D_n lattice.at n=52A108556
• Integers x such that sigma(x)^2 - 3*x^2 is a square.at n=22A385810