21946050833domain: NAppears in sequencesNumerator of the polynomial A_i(x) = Sum_{d=1..i-1} x^(i-d)/d for index i=2n+1 evaluated at x=7.at n=4A145621a(n) = numerator of polynomial of genus 1 and level n for m = 7 : A[1,n](7).at n=10A145666