Numbers k such that 7!*(2k-8)!/(k!*(k-1)!) is an integer.

Terms

a(0) =4a(1) =7a(2) =8a(3) =991a(4) =2481a(5) =3479a(6) =5645a(7) =6163a(8) =6581a(9) =8178a(10) =8179a(11) =8242a(12) =9272a(13) =10288a(14) =12195a(15) =13067a(16) =13976a(17) =15199a(18) =15813a(19) =16172a(20) =18329a(21) =18371a(22) =18686a(23) =18723a(24) =18747a(25) =19294a(26) =19438a(27) =22198a(28) =23531a(29) =23717