Number of minimum distinguishing labelings in the cycle graph C_n.

Terms

a(0) =6a(1) =24a(2) =120a(3) =12a(4) =28a(5) =96a(6) =252a(7) =600a(8) =1364a(9) =3048a(10) =6552a(11) =13804a(12) =29040a(13) =59520a(14) =122400a(15) =248472a(16) =504868a(17) =1017840a(18) =2054388a(19) =4126100a(20) =8294444a(21) =16628160a(22) =33349800a(23) =66784536a(24) =133775712a(25) =267736392a(26) =535920696a(27) =1072242540a(28) =2145452092a(29) =4291768320