227448

Appears in sequences

• Product of product of divisors of n and sum of divisors of n.at n=17A076722
• Number of ways to place 2 nonattacking queens on an n X n toroidal board.at n=26A172517
• Coefficients in q-expansion of (6*E_2^2*E_4 - 8*E_2*E_6 + 3*E_4^2 - E_2^4)/6912, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=18A282211