Denominator of Bernoulli(2n+2) - Bernoulli(2n).

Terms

a(0) =6a(1) =5a(2) =35a(3) =35a(4) =55a(5) =5005a(6) =455a(7) =85a(8) =11305a(9) =7315a(10) =1265a(11) =10465a(12) =455a(13) =145a(14) =346115a(15) =202895a(16) =85a(17) =319865a(18) =319865a(19) =2255a(20) =678755a(21) =34615a(22) =5405a(23) =363545a(24) =85085a(25) =2915a(26) =35245a(27) =19285a(28) =8555a(29) =558402845