23600

Appears in sequences

• Numbers k such that the squarefree part of k equals A062799(k).at n=32A069551
• Lower triangular array, called S1hat(-5), related to partition number array A145372.at n=38A145373
• Number of 4-step self-avoiding walks on an n X n square summed over all starting positions.at n=26A188149
• a(n) = phi(3^n+1), where phi is Euler's totient function (A000010).at n=10A366579
• a(n) = phi(9^n+1), where phi is Euler's totient function (A000010).at n=5A366667
• a(n)/144 is the maximum squared volume of a tetrahedron with the sum of its integer edge lengths equal to n.at n=20A371073
• Expansion of 1/sqrt((1-x)^3 * (1-5*x)).at n=7A383949