a(n) = denominator of b(n), where b(1) = 1, b(n+1) = (sum{k=1 to n} b(k))/product{j=1 to n} b(j).
A127679
a(n) = denominator of b(n), where b(1) = 1, b(n+1) = (sum{k=1 to n} b(k))/product{j=1 to n} b(j).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =4a(6) =6a(7) =15a(8) =35a(9) =119a(10) =221a(11) =1703a(12) =31571a(13) =444163a(14) =62571693a(15) =16130221953
External references
- oeis: A127679