74896

Appears in sequences

• a(0) = 1; for n>0, a(n) = 16 times sum of cubes of divisors of n.at n=16A092820
• a(n) = n*(n + 1)*(5*n - 4)/2.at n=31A237616
• The Hwang-Deutsch function f_3(n).at n=42A260996
• Coefficients in q-expansion of (E_2*E_4 - E_6)/720, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=16A281372
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] exp(x+y) / (exp(x) + exp(y) - exp(x+y))^3.at n=57A382673
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] exp(x+y) / (exp(x) + exp(y) - exp(x+y))^3.at n=63A382673
• a(n) = 4 - 15 * 2^n + 12 * 3^n.at n=8A382675