Z(S_m; sigma[1](n), sigma[2](n),..., sigma[m](n)) where Z(S_m; x_1,x_2,...,x_m) is the cycle index of the symmetric group S_m and sigma[k](n) is the sum of k-th powers of divisors of n; m=9.

A068026

Z(S_m; sigma[1](n), sigma[2](n),..., sigma[m](n)) where Z(S_m; x_1,x_2,...,x_m) is the cycle index of the symmetric group S_m and sigma[k](n) is the sum of k-th powers of divisors of n; m=9.

Terms

    a(0) =1a(1) =1023a(2) =29524a(3) =698027a(4) =2441406a(5) =36192156a(6) =47079208a(7) =408345795a(8) =653757313a(9) =2773708938a(10) =2593742460a(11) =26912354924a(12) =11488207654a(13) =51851591352a(14) =77226922344a(15) =222984027123a(16) =125999618778a(17) =848125888467a(18) =340614792100

External references