Sum of the divisors of 11^n+1.

Terms

a(0) =3a(1) =28a(2) =186a(3) =3458a(4) =21966a(5) =375816a(6) =2911272a(7) =45470096a(8) =340452396a(9) =6278429920a(10) =39543942612a(11) =706019328000