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A256900 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally and vertically 1
34698, 137381, 721051, 2212280, 4687873, 9831933, 14332984, 24894558, 39386679, 61894886, 96974489, 151773647, 239095657, 367120758, 555977303, 840547925, 1262889781, 1870244703, 2741127912, 3999331686, 5791178973, 8305518851 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A256904
LINKS
EXAMPLE
Some solutions for n=2
..0..1..0..0..1..1....0..0..0..0..0..0....0..1..0..0..0..0....0..1..1..1..0..1
..0..0..0..0..1..0....0..0..0..0..1..0....1..0..0..0..1..0....0..1..0..1..1..0
..1..0..0..0..1..1....0..0..0..1..1..1....1..0..1..1..1..0....1..1..0..1..1..0
..1..1..1..1..0..0....0..0..1..1..0..1....0..1..1..0..0..1....1..1..0..1..1..1
CROSSREFS
Sequence in context: A251448 A259002 A259009 * A236141 A103911 A185472
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2015
STATUS
approved

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Last modified June 19 03:10 EDT 2024. Contains 373492 sequences. (Running on oeis4.)