a(n) is the number of 6-tuples (a_1,a_2,a_3,a_4,a_5,a_6) having all terms in {1,...,n} such that there exists a tetrahedron ABCD with those edge-lengths.
A346575
a(n) is the number of 6-tuples (a_1,a_2,a_3,a_4,a_5,a_6) having all terms in {1,...,n} such that there exists a tetrahedron ABCD with those edge-lengths.
Terms
- a(0) =0a(1) =1a(2) =43a(3) =327a(4) =1792a(5) =6139a(6) =17607a(7) =43291a(8) =96142a(9) =193149a(10) =362383a(11) =638533a(12) =1075110a(13) =1733023a(14) =2700217a(15) =4076133a(16) =5994310a(17) =8611819a(18) =12119139a(19) =16738861a(20) =22746004a(21) =30449013a(22) =40212679a(23) =52452031a(24) =67651170a(25) =86348035a(26) =109166881a(27) =136796079a(28) =170024038a(29) =209707144
External references
- oeis: A346575