Numerators of third-order harmonic numbers (defined by Conway and Guy, 1996).

Terms

a(0) =1a(1) =7a(2) =47a(3) =57a(4) =459a(5) =341a(6) =3349a(7) =3601a(8) =42131a(9) =44441a(10) =605453a(11) =631193a(12) =655217a(13) =1355479a(14) =23763863a(15) =24444543a(16) =476698557a(17) =162779395a(18) =166474515a(19) =34000335a(20) =265842403a(21) =812400067a(22) =20666950267a(23) =21010170067a(24) =192066102203a(25) =194934439103