Least k such that primorial(n) divides binomial(2k,k).

Terms

a(0) =1a(1) =2a(2) =8a(3) =18a(4) =18a(5) =20a(6) =77a(7) =128a(8) =128a(9) =202a(10) =202a(11) =545a(12) =611a(13) =771a(14) =978a(15) =983a(16) =983a(17) =1625a(18) =2441a(19) =2481a(20) =2481a(21) =2995a(22) =3054a(23) =3284a(24) =3284a(25) =3284a(26) =3284a(27) =3284a(28) =5534a(29) =5534