Sin(n) decreases monotonically to 0.

Terms

a(0) =1a(1) =3a(2) =44a(3) =311a(4) =377a(5) =688a(6) =710a(7) =103638a(8) =104703a(9) =208341a(10) =312689a(11) =833719a(12) =2292816a(13) =3126535a(14) =6565759a(15) =9692294a(16) =10838702a(17) =74724506a(18) =171126416a(19) =245850922a(20) =411557987a(21) =1068966896a(22) =2549491779a(23) =6167950454a(24) =14885392687a(25) =21053343141