A229433 Number of nX3 0..6 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X4 0..2 array.
259, 31111, 2985887, 262875231, 22257074415, 1848069959519, 151774667013519, 12382804872500671, 1006185589087041647, 81552560198330864159, 6599400414062223445967, 533498052669478639566975
Offset: 1
Keywords
Examples
Some solutions for n=2 ..4..2..6....3..1..0....0..4..4....5..3..6....4..1..1....4..3..3....5..2..3 ..3..3..6....4..1..1....2..5..1....3..2..6....1..2..3....2..5..5....1..3..6
Links
- R. H. Hardin, Table of n, a(n) for n = 1..21
Comments