a(n) = denominator of sum of the reciprocals of all terms in rows 1 through n of table A126336.
A126339
a(n) = denominator of sum of the reciprocals of all terms in rows 1 through n of table A126336.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =12a(6) =66a(7) =462a(8) =42504a(9) =127512a(10) =637560a(11) =8288280a(12) =125580a(13) =2415a(14) =103845a(15) =75599160a(16) =17028710790
External references
- oeis: A126339