Denominators of poly-Cauchy numbers c_n^(2).

Terms

a(0) =1a(1) =4a(2) =36a(3) =48a(4) =1800a(5) =720a(6) =35280a(7) =20160a(8) =226800a(9) =10080a(10) =731808a(11) =665280a(12) =1967565600a(13) =11211200a(14) =129729600a(15) =34594560a(16) =18745927200a(17) =28641600a(18) =371536925760a(19) =3990729600a(21) =4877558400a(22) =466663317120a(23) =550720684800