Number of ways to label the vertices of the octahedron (or faces of the cube) with nonnegative integers summing to n, where labelings that differ only by rotation or reflection are considered the same.

A097513

Number of ways to label the vertices of the octahedron (or faces of the cube) with nonnegative integers summing to n, where labelings that differ only by rotation or reflection are considered the same.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =5a(4) =10a(5) =15a(6) =27a(7) =38a(8) =60a(9) =84a(10) =122a(11) =164a(12) =229a(13) =298a(14) =398a(15) =509a(16) =658a(17) =823a(18) =1041a(19) =1278a(20) =1582a(21) =1917a(22) =2331a(23) =2786a(24) =3343a(25) =3948a(26) =4676a(27) =5471a(28) =6408a(29) =7428

External references