The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A250380 Number of length 7+6 0..n arrays with every seven consecutive terms having the maximum of some three terms equal to the minimum of the remaining four terms 1
 1996, 215345, 4766064, 49559017, 328905292, 1616234585, 6398378176, 21513933681, 63654214444, 169907055073, 416662805744, 951728421657, 2046486565228, 4177475716681, 8149944767744, 15279848491873, 27655502386188 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A250373 LINKS R. H. Hardin, Table of n, a(n) for n = 1..84 FORMULA Empirical: a(n) = (194/1155)*n^11 + (4043/630)*n^10 + 60*n^9 + (467/2)*n^8 + 491*n^7 + (18913/30)*n^6 + (47464/105)*n^5 + (4811/126)*n^4 - (569/5)*n^3 + (1327/15)*n^2 + (17918/165)*n + 1 EXAMPLE Some solutions for n=1 ..1....1....0....1....1....0....0....0....1....0....0....1....0....0....1....0 ..1....1....0....1....1....1....0....0....1....1....1....1....0....0....1....0 ..1....0....1....1....0....0....0....1....1....1....1....0....0....0....1....0 ..1....1....0....1....1....0....0....0....0....0....0....0....1....0....0....1 ..1....0....0....1....1....0....0....0....1....0....1....0....1....0....1....0 ..1....0....1....1....1....1....0....0....1....0....1....0....0....1....1....0 ..0....0....0....1....1....1....0....1....0....1....1....1....0....1....1....1 ..0....1....0....1....1....0....0....0....1....0....1....0....0....0....0....0 ..1....0....0....0....0....0....0....1....1....1....1....0....0....0....1....1 ..1....1....1....0....1....0....0....0....1....0....1....1....0....0....1....0 ..1....0....0....1....0....0....0....0....1....0....0....1....0....1....1....1 ..1....0....0....1....1....1....0....0....1....1....1....0....1....0....0....0 ..1....0....1....1....1....0....1....1....0....0....1....0....1....0....1....0 CROSSREFS Sequence in context: A223366 A034588 A233935 * A079012 A063472 A063054 Adjacent sequences: A250377 A250378 A250379 * A250381 A250382 A250383 KEYWORD nonn AUTHOR R. H. Hardin, Nov 19 2014 STATUS approved

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

Last modified May 31 15:16 EDT 2023. Contains 363068 sequences. (Running on oeis4.)