Integers k with abs(sin(k)) < 1/k.

Terms

a(0) =1a(1) =3a(2) =22a(3) =44a(4) =355a(5) =710a(6) =1065a(7) =1420a(8) =1775a(9) =2130a(10) =2485a(11) =2840a(12) =3195a(13) =312689a(14) =1146408a(15) =5419351a(16) =10838702a(17) =6167950454a(18) =21053343141a(19) =42106686282a(20) =63160029423a(21) =84213372564a(22) =105266715705