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

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A232960 Number of 6Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, and top left element zero 1
 1024, 50421, 5840289, 609853251, 66226131273, 7168373617095, 777971521023633, 84438762415260969, 9167008080471861213, 995247064980829474743, 108055419728642864698437, 11731821554897060580948021 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 6 of A232955 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 86 FORMULA Empirical recurrence of order 86 (see link above) EXAMPLE Some solutions for n=2 ..0..0....0..1....0..2....0..1....0..0....0..2....0..0....0..2....0..1....0..2 ..0..2....1..0....3..2....0..2....0..0....2..2....2..2....3..1....0..2....2..0 ..3..2....2..3....3..2....0..0....0..1....2..3....3..3....1..1....0..2....0..0 ..3..2....1..0....2..2....0..0....1..0....1..0....1..1....0..1....0..1....0..1 ..0..1....1..1....2..0....1..0....2..0....0..1....1..1....0..1....1..0....0..2 ..3..1....3..3....0..2....1..1....2..0....0..2....0..1....0..0....1..1....0..2 CROSSREFS Sequence in context: A230790 A231843 A223965 * A195658 A264205 A321834 Adjacent sequences: A232957 A232958 A232959 * A232961 A232962 A232963 KEYWORD nonn AUTHOR R. H. Hardin, Dec 02 2013 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 November 29 08:47 EST 2022. Contains 358422 sequences. (Running on oeis4.)