Numerators of the other-side convergents to Pi.

Terms

a(0) =4a(1) =25a(2) =355a(3) =688a(4) =104348a(5) =208341a(6) =312689a(7) =521030a(8) =1146408a(9) =1980127a(10) =5419351a(11) =9692294a(12) =85563208a(13) =245850922a(14) =411557987a(15) =657408909a(16) =1480524883a(17) =3618458675a(18) =8717442233a(19) =21053343141a(20) =35938735828