48705

Appears in sequences

• Number of equilateral triangles bounded by the sides and diagonals of a regular 3n-gon.at n=16A238822
• Composite numbers n such that E(n+1)+1 is divisible by n, where E(n) is the n-th Euler number (A122045).at n=29A287934
• Number of compositions (ordered partitions) of n^2 into distinct squares.at n=17A331884