a(n) is the smallest integer of the form a*b*c.../p*q*r..., where the numerator and the denominator contain n numbers each and a,b,c,...p,q,r... are all the integers from 1 to 2n.
A085057
a(n) is the smallest integer of the form a*b*c.../p*q*r..., where the numerator and the denominator contain n numbers each and a,b,c,...p,q,r... are all the integers from 1 to 2n.
Terms
- a(0) =2a(1) =6a(2) =5a(3) =70a(4) =7a(5) =231a(6) =858a(7) =1430a(8) =12155a(9) =46189a(10) =176358a(11) =676039a(12) =104006a(13) =44574a(14) =1077205a(15) =66786710a(16) =64822395a(17) =90751353a(18) =353452638a(19) =3829070245a(20) =134564468610a(21) =526024740930a(22) =2287064091a(23) =35830670759a(24) =71661341518a(25) =281132955186
External references
- oeis: A085057