Denominators of Bernoulli numbers which are congruent to 3 (mod 9).

Terms

a(0) =30a(1) =66a(2) =138a(3) =282a(4) =354a(5) =498a(6) =642a(7) =1002a(8) =1074a(9) =1362a(10) =1434a(11) =1578a(12) =2082a(13) =2154a(14) =2298a(15) =2478a(16) =2658a(17) =2730a(18) =2802a(19) =2874a(20) =3018a(21) =3378a(22) =3486a(23) =3522a(24) =3882a(25) =3954a(26) =4314a(27) =4494a(28) =4962a(29) =5034