The number of orbits of 4-tuples of the dihedral group of order 2n acting on {1,2,...,n}.

Terms

a(0) =1a(1) =8a(2) =14a(3) =36a(4) =63a(5) =112a(6) =172a(7) =260a(8) =365a(9) =504a(10) =666a(11) =868a(12) =1099a(13) =1376a(14) =1688a(15) =2052a(16) =2457a(17) =2920a(18) =3430a(19) =4004a(20) =4631a(21) =5328a(22) =6084a(23) =6916a(24) =7813a(25) =8792a(26) =9842a(27) =10980a(28) =12195a(29) =13504