Nonnegative integers k such that k < sec(k)*csc(k).

Terms

a(0) =1a(1) =22a(2) =44a(3) =355a(4) =710a(5) =1065a(6) =1420a(7) =1775a(8) =2130a(9) =2485a(10) =2840a(11) =3195a(12) =260515a(13) =312689a(14) =1146408a(15) =5419351a(16) =10838702a(17) =37362253a(18) =122925461a(19) =534483448a(20) =3083975227a(21) =902209779836