121728

Appears in sequences

• a(n) is the concatenation of n with n^3.at n=11A061086
• a(n) = the Wiener index of the Fibonacci cube G_n.at n=11A238419
• a(n) = 2^(4*n-3)*n*(2*n-1)*(900*n^4-4500*n^3+8895*n^2-8055*n+2764), a closed form for a double binomial sum involving absolute values.at n=2A269877
• (1/4) * number of ways to select 3 distinct points forming a triangle of unsigned area = n/2 from a square of grid points with side length n.at n=23A320310