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A268077
Number of nX6 nonnegative integer arrays with new values introduced in each row and column in sequential order starting with zero.
1
1, 32, 2094, 216734, 29309170, 4617638834, 795460720710, 144635795908942, 27199854725237562, 5226964431904629706, 1018922182295162250542, 200570604681259480340550, 39753457499625567327509026
OFFSET
1,2
COMMENTS
Column 6 of A268079.
FORMULA
Empirical recurrence of order 45 (see link above)
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..0..1..0..1..1..1....0..0..0..1..0..0....0..1..1..1..0..0....0..1..0..1..1..1
..0..0..1..2..1..2....0..1..1..1..1..0....0..1..2..0..0..1....0..1..1..1..2..2
CROSSREFS
Cf. A268079.
Sequence in context: A159364 A202734 A268054 * A202547 A222830 A079202
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 25 2016
STATUS
approved