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

22, 304, 5052, 93428, 1706655, 28401254, 415506534, 5301203235, 59290115703, 587323294703, 5212389996817, 41899219805623, 308062668217181, 2089563223989402, 13172746281602431, 77676147517334724, 430830309908084671

Offset

1,1

Comments

Column 6 of A225900

Links

R. H. Hardin, Table of n, a(n) for n = 1..75

R. H. Hardin, Empirical polynomial of degree 64

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

Adjacent sequences: A225895 A225896 A225897 * A225899 A225900 A225901

Keyword

nonn

Author

R. H. Hardin May 20 2013

Status

approved