Triangle read by rows: T(n,k) is the number of oriented colorings of the faces (and peaks) of a regular n-dimensional simplex using exactly k colors. Row n has C(n+1,3) columns.
A338113
Triangle read by rows: T(n,k) is the number of oriented colorings of the faces (and peaks) of a regular n-dimensional simplex using exactly k colors. Row n has C(n+1,3) columns.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =3a(4) =2a(5) =1a(6) =38a(7) =1080a(8) =14040a(9) =85500a(10) =274104a(11) =493920a(12) =504000a(13) =272160a(14) =60480a(15) =1a(16) =3502a(17) =9743106a(18) =3017318368a(19) =249756082950
External references
- oeis: A338113