Numbers k such that 4!*(2k-5)!/(k!*(k-1)!) is an integer.

Terms

a(0) =3a(1) =4a(2) =5a(3) =211a(4) =461a(5) =562a(6) =947a(7) =990a(8) =991a(9) =1223a(10) =1378a(11) =1458a(12) =1600a(13) =1892a(14) =2015a(15) =2069a(16) =2147a(17) =2185a(18) =2333a(19) =2480a(20) =2481a(21) =2666a(22) =2994a(23) =3011a(24) =3017a(25) =3356a(26) =3418a(27) =3433a(28) =3442a(29) =3478