a(n) is the smallest integer k > n such that (k+1)(k+2)...(2k-2n+1)/(k(k-1)...(k-n+1)) is an integer.

A290791

a(n) is the smallest integer k > n such that (k+1)(k+2)...(2k-2n+1)/(k(k-1)...(k-n+1)) is an integer.

Terms

    a(0) =6a(1) =9a(2) =16a(3) =27a(4) =28a(5) =95a(6) =96a(7) =121a(8) =122a(9) =123a(10) =124a(11) =125a(12) =126a(13) =537a(14) =538a(15) =539a(16) =540a(17) =905a(18) =906a(19) =1149a(20) =1150a(21) =1349a(22) =1350a(23) =1351a(24) =1352a(25) =1353a(26) =1354a(27) =1355a(28) =1356a(29) =1357

External references