Numerator of Bernoulli(n,3).

Terms

a(0) =1a(1) =5a(2) =37a(3) =15a(4) =1079a(5) =85a(6) =8317a(7) =455a(8) =30959a(9) =2313a(10) =338585a(11) =11275a(12) =67124549a(13) =53261a(14) =688219a(15) =245775a(16) =267391423a(17) =1114129a(18) =1882776439a(19) =4980755a(20) =3460132789a(21) =22020117a(22) =6367811021a(23) =96469015a(24) =549385297589a(25) =419430425a(26) =5243044651a(27) =1811939355a(29) =7784628253