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A225898 Number of nX6 binary arrays whose sum with another nX6 binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order 1
22, 304, 5052, 93428, 1706655, 28401254, 415506534, 5301203235, 59290115703, 587323294703, 5212389996817, 41899219805623, 308062668217181, 2089563223989402, 13172746281602431, 77676147517334724, 430830309908084671 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A225900
LINKS
FORMULA
Empirical polynomial of degree 64 (see link above)
EXAMPLE
Some solutions for n=3
..0..0..1..1..1..1....0..0..0..1..1..1....0..1..1..0..1..1....0..0..0..0..1..1
..0..0..1..1..1..1....0..1..1..0..1..1....1..0..0..0..0..1....0..0..1..0..1..1
..1..1..0..1..0..1....1..0..0..0..0..1....1..0..1..1..1..0....0..1..1..1..0..1
CROSSREFS
Sequence in context: A083765 A061341 A088279 * A028109 A003468 A120051
KEYWORD
nonn
AUTHOR
R. H. Hardin May 20 2013
STATUS
approved

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Last modified September 11 23:02 EDT 2024. Contains 375842 sequences. (Running on oeis4.)