a(n) = numerator of polynomial of genus 1 and level n for m = 4 = A[1,n](4).

A145660

a(n) = numerator of polynomial of genus 1 and level n for m = 4 = A[1,n](4).

Terms

    a(0) =0a(1) =4a(2) =18a(3) =220a(4) =883a(5) =17672a(6) =23566a(7) =659868a(8) =5278979a(9) =95021762a(10) =380087174a(11) =16723836916a(12) =66895348819

External references