Number of oriented colorings of the tetrahedral facets (or vertices) of a regular 4-dimensional simplex using n or fewer colors.

A337895

Number of oriented colorings of the tetrahedral facets (or vertices) of a regular 4-dimensional simplex using n or fewer colors.

Terms

    a(0) =1a(1) =6a(2) =21a(3) =56a(4) =127a(5) =258a(6) =483a(7) =848a(8) =1413a(9) =2254a(10) =3465a(11) =5160a(12) =7475a(13) =10570a(14) =14631a(15) =19872a(16) =26537a(17) =34902a(18) =45277a(19) =58008a(20) =73479a(21) =92114a(22) =114379a(23) =140784a(24) =171885a(25) =208286a(26) =250641a(27) =299656a(28) =356091a(29) =420762

External references