Smallest m such that C(2m,m) is divisible by (m+n)!/m!.

Terms

a(0) =1a(1) =3a(2) =8a(3) =19a(4) =42a(5) =153a(6) =216a(7) =375a(8) =950a(9) =3565a(10) =4068a(11) =12273a(12) =12274a(13) =31729a(14) =122352a(15) =131023a(16) =458222a(17) =522221a(18) =1046508a(19) =3145451a(20) =6291178a(21) =12320745a(22) =16769000a(23) =56623079a(24) =113246182a(25) =267780069a(26) =469745636a(27) =671088611a(28) =1879015394a(29) =2146959329