The number T(n) of isometries of all subspaces of the finite metric space {1,2,...,n} (as a subspace of the reals with the Euclidean metric).

A183156

The number T(n) of isometries of all subspaces of the finite metric space {1,2,...,n} (as a subspace of the reals with the Euclidean metric).

Terms

    a(0) =1a(1) =2a(2) =7a(3) =22a(4) =59a(5) =142a(6) =319a(7) =686a(8) =1435a(9) =2950a(10) =5999a(11) =12118a(12) =24379a(13) =48926a(14) =98047a(15) =196318a(16) =392891a(17) =786070a(18) =1572463a(19) =3145286a(20) =6290971a(21) =12582382a(22) =25165247a(23) =50331022a(24) =100662619a(25) =201325862a(26) =402652399a(27) =805305526a(28) =1610611835a(29) =3221224510

External references