Number of 2-colorings of an 3 X 3 X 3 grid, up to rotational symmetry, by the number of black cells.

A386553

Number of 2-colorings of an 3 X 3 X 3 grid, up to rotational symmetry, by the number of black cells.

Terms

    a(0) =1a(1) =4a(2) =22a(3) =139a(4) =779a(5) =3455a(6) =12507a(7) =37303a(8) =92968a(9) =195963a(10) =352433a(11) =544382a(12) =725612a(13) =837184a(14) =837184a(15) =725612a(16) =544382a(17) =352433a(18) =195963a(19) =92968a(20) =37303a(21) =12507a(22) =3455a(23) =779a(24) =139a(25) =22a(26) =4a(27) =1

External references