Numbers k such that 3 and 5 do not divide binomial(2*k, k).

Terms

a(0) =0a(1) =1a(2) =10a(3) =12a(4) =27a(5) =30a(6) =31a(7) =36a(8) =37a(9) =252a(10) =255a(11) =256a(12) =280a(13) =282a(14) =756a(15) =757a(16) =760a(17) =810a(18) =811a(19) =3160a(20) =3162a(21) =3186a(22) =3187a(23) =3250a(24) =3252a(25) =3276a(26) =3277a(27) =3280a(28) =6561a(29) =6562