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A236282
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise
4
81, 432, 432, 2304, 5805, 2304, 9504, 87450, 87450, 9504, 39204, 901317, 4297035, 901317, 39204, 138402, 9293996, 134940646, 134940646, 9293996, 138402, 488601, 73777097, 4211459815, 13055877546, 4211459815, 73777097, 488601, 1553877
OFFSET
1,1
COMMENTS
Table starts
.......81.........432...........2304.............9504.............39204
......432........5805..........87450...........901317...........9293996
.....2304.......87450........4297035........134940646........4211459815
.....9504......901317......134940646......13055877546.....1257559565027
....39204.....9293996.....4211459815....1257559565027...374969850504444
...138402....73777097....95929739101...86958471603770.79511653034814238
...488601...583531732..2162880693927.5933159964415314
..1553877..3814287681.38763321249354
..4941729.24858329516
.14587326
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 26]
EXAMPLE
Some solutions for n=2 k=4
..0..2..2..0..2....1..2..0..0..2....0..1..2..0..0....0..0..0..0..2
..0..0..0..2..2....1..0..2..2..1....1..0..0..2..2....0..0..2..1..1
..1..2..1..0..0....1..2..1..1..2....2..2..2..1..2....2..1..2..1..2
CROSSREFS
Column 1 is A235417
Sequence in context: A236604 A236698 A235421 * A235417 A237391 A237385
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 21 2014
STATUS
approved