Denominator of 1 - Sum_{i=1..n} Bernoulli(i).

Terms

a(0) =1a(1) =2a(2) =3a(3) =3a(4) =30a(5) =30a(6) =35a(7) =35a(8) =210a(9) =210a(10) =1155a(11) =1155a(12) =10010a(13) =10010a(14) =15015a(15) =15015a(16) =510510a(17) =510510a(18) =1616615a(19) =1616615a(20) =1939938a(21) =1939938a(22) =22309287a(23) =22309287a(24) =74364290a(25) =74364290a(26) =111546435a(27) =111546435a(28) =6469693230a(29) =6469693230