Denominator of Bernoulli(n, 1/6).

Terms

a(0) =1a(1) =3a(2) =36a(3) =108a(4) =6480a(5) =3888a(6) =326592a(7) =139968a(8) =8398080a(9) =5038848a(10) =665127936a(11) =181398528a(12) =990435962880a(13) =6530347008a(14) =78364164096a(15) =235092492288