Sum of the divisors of 12^n+1.

Terms

a(0) =3a(1) =14a(2) =180a(3) =2240a(4) =21060a(5) =267988a(6) =3706920a(7) =38773952a(8) =459970056a(9) =6692483840a(10) =79425033660a(11) =800162860756