The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A267248 Number of 5Xn binary arrays with row sums nondecreasing and columns lexicographically nondecreasing. 0
 6, 63, 486, 3351, 20040, 107015, 516084, 2278687, 9303052, 35428544, 126753732, 428651446, 1377310514, 4223642819, 12409437728, 35050866249, 95459908872, 251341796912, 641282264972, 1588863292072 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 5 of A267245. LINKS EXAMPLE Some solutions for n=4 ..0..0..0..0....0..0..0..1....0..0..0..0....0..0..0..0....0..0..0..0 ..0..0..1..1....0..0..0..1....0..0..0..1....0..0..0..1....0..0..0..0 ..1..1..0..0....0..0..1..0....0..1..1..0....0..0..1..0....0..0..0..1 ..1..1..0..1....1..1..0..1....1..0..1..1....1..1..0..1....0..0..1..1 ..1..1..1..1....0..1..1..1....0..1..1..1....0..1..1..1....1..1..1..1 CROSSREFS Cf. A267245. Sequence in context: A296393 A123615 A245754 * A053535 A268220 A272495 Adjacent sequences:  A267245 A267246 A267247 * A267249 A267250 A267251 KEYWORD nonn AUTHOR R. H. Hardin, Jan 12 2016 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 13 02:36 EDT 2021. Contains 343836 sequences. (Running on oeis4.)