A223196 Rolling cube footprints: number of n X n 0..5 arrays starting with 0 where 0..5 label faces of a cube and every array movement to a horizontal or vertical neighbor moves across a corresponding cube edge.
1, 48, 20992, 85327872, 3249109204992, 1163614255186968576, 3928452022261522225954816, 125206136723337854976992338771968, 37708401216116613420253652395390480154624
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..2..4....0..2..0....0..1..5....0..3..4....0..3..5....0..3..5....0..1..0 ..4..0..3....3..4..3....3..5..2....2..0..3....2..0..4....3..1..3....1..5..1 ..3..1..0....5..2..0....1..2..4....0..1..5....5..1..2....1..3..1....0..4..0 Face neighbors: 0,5 -> 1 2 3 4 1,4 -> 0 2 3 5 2,3 -> 0 1 4 5
Links
- R. H. Hardin, Table of n, a(n) for n = 1..13
Comments