Number of achiral colorings of the edges (or triangular faces) of a regular 4-dimensional simplex with n available colors.

A331353

Number of achiral colorings of the edges (or triangular faces) of a regular 4-dimensional simplex with n available colors.

Terms

    a(0) =1a(1) =28a(2) =387a(3) =2784a(4) =13125a(5) =46836a(6) =137543a(7) =349952a(8) =797769a(9) =1667500a(10) =3248971a(11) =5973408a(12) =10459917a(13) =17571204a(14) =28479375a(15) =44742656a(16) =68393873a(17) =102041532a(18) =148984339a(19) =213340000a(20) =300189141a(21) =415735188a(22) =567481047a(23) =764423424a(24) =1017265625a(25) =1338649676a(26) =1743408603a(27) =2248839712

External references