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A263376
Number of (n+1)X(2+1) 0..4 arrays with each row and column divisible by 9, read as a base-5 number with top and left being the most significant digits.
1
4, 38, 496, 6731, 93378, 1302087, 18221996, 255080336, 3571083234, 49994778319, 699925682414, 9798949321655, 137185276830144, 1920593788732430, 26888312935819112, 376436379758582067, 5270109313747856290
OFFSET
1,1
COMMENTS
Column 2 of A263382.
FORMULA
Empirical recurrence of order 51 (see link above)
EXAMPLE
Some solutions for n=4
..2..2..3....0..0..0....2..2..3....2..2..3....0..1..4....4..3..2....2..4..2
..1..4..0....3..1..1....0..3..3....3..4..4....2..4..2....3..4..4....3..4..4
..3..1..1....3..1..1....2..4..2....1..4..0....0..3..3....4..3..2....3..3..0
..3..1..1....0..0..0....1..4..0....1..4..0....4..1..3....0..3..3....3..4..4
..2..2..3....0..3..3....0..1..4....1..2..1....0..1..4....4..1..3....4..1..3
CROSSREFS
Cf. A263382.
Sequence in context: A234463 A194044 A317605 * A199813 A120974 A113664
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 16 2015
STATUS
approved