A214351 Number of n X n X n triangular 0..7 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.
8, 232, 20840, 5349708, 3766437036, 7118347901224, 35699489509054494, 472117658204259171294
Offset: 1
Keywords
Examples
Some solutions for n=3 ....4......4......3......6......4......0......4......2......5......0......2 ...0.6....7.0....3.2....5.6....4.1....0.0....2.5....1.3....6.3....0.7....6.1 ..0.2.7..7.0.5..2.3.2..3.6.0..0.7.1..0.0.2..0.6.3..1.2.3..1.7.1..0.0.7..6.0.7
Crossrefs
Cf. A214352.
Comments