a(n) is the least k such that for any p prime dividing n, p does not divide binomial((n+1)*k, k+1), or -1 if no such k exists.
A075833
a(n) is the least k such that for any p prime dividing n, p does not divide binomial((n+1)*k, k+1), or -1 if no such k exists.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =11a(6) =6a(7) =7a(8) =8a(9) =29a(10) =10a(11) =19847a(12) =12a(13) =55a(14) =29a(15) =15a(16) =16a(17) =266831a(18) =18a(19) =259a(20) =62a(21) =131a(22) =22a(23) =71a(24) =24a(25) =519a(26) =26a(27) =55a(28) =28
External references
- oeis: A075833