Numbers k such that binomial(2*k,k) is divisible by (k+1)^2.

Terms

a(0) =5a(1) =14a(2) =27a(3) =41a(4) =44a(5) =65a(6) =76a(7) =90a(8) =109a(9) =125a(10) =139a(11) =152a(12) =155a(13) =169a(14) =186a(15) =189a(16) =203a(17) =208a(18) =209a(19) =219a(20) =227a(21) =230a(22) =237a(23) =265a(24) =275a(25) =298a(26) =307a(27) =311a(28) =314a(29) =321