Number of partitions in expanding space: sigma(n,q) is the sum of the q-th powers of the divisors of n.
A023881
Number of partitions in expanding space: sigma(n,q) is the sum of the q-th powers of the divisors of n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =12a(4) =82a(5) =725a(6) =8811a(7) =128340a(8) =2257687a(9) =45658174a(10) =1052672116a(11) =27108596725a(12) =772945749970
External references
- oeis: A023881