Greatest common divisors of consecutive floor-factorial numbers (A010786).

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =6a(6) =2a(7) =8a(8) =24a(9) =60a(10) =12a(11) =288a(12) =96a(13) =84a(14) =60a(15) =3840a(16) =384a(17) =15552a(18) =576a(19) =14400a(20) =20160a(21) =221760a(22) =576a(23) =331776a(24) =552960a(25) =224640a(26) =51840a(27) =20321280a(28) =2903040a(29) =108864000