T(n,k)=Rolling cube footprints: number of nXk 0..7 arrays starting with 0 where 0..7 label vertices of a cube and every array movement to a horizontal or antidiagonal neighbor moves along a corresponding cube edge.
A223331
T(n,k)=Rolling cube footprints: number of nXk 0..7 arrays starting with 0 where 0..7 label vertices of a cube and every array movement to a horizontal or antidiagonal neighbor moves along a corresponding cube edge.
Terms
- a(0) =1a(1) =3a(2) =8a(3) =9a(4) =27a(5) =64a(6) =27a(7) =189a(8) =243a(9) =512a(10) =81a(11) =1323a(12) =3969a(13) =2187a(14) =4096a(15) =243a(16) =9261a(17) =64827a(18) =83349a(19) =19683a(20) =32768a(21) =729a(22) =64827a(23) =1059723a(24) =3176523a(25) =1750329a(26) =177147a(27) =262144a(28) =2187a(29) =453789
External references
- oeis: A223331