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 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A242546 Number of length n+3 0..5 arrays with no four elements in a row with pattern aabb (possibly a=b) and new values 0..5 introduced in 0..5 order 1
 13, 43, 166, 711, 3311, 16512, 86671, 471698, 2631790, 14930915, 85644696, 494803149, 2872024482, 16720674459, 97536295951, 569673328615, 3329960486206, 19475149500576, 113938441220822, 666738150322630, 3902133809773705 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A242549 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 11*a(n-1) -41*a(n-2) +100*a(n-3) -259*a(n-4) +283*a(n-5) -178*a(n-6) +383*a(n-7) +1393*a(n-8) +312*a(n-9) +723*a(n-10) -1707*a(n-11) -5129*a(n-12) -5430*a(n-13) -5400*a(n-14) -3600*a(n-15) -900*a(n-16) EXAMPLE Some solutions for n=4 ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0 ..1....1....1....1....1....1....1....0....1....1....0....0....1....1....0....1 ..2....0....0....0....0....1....0....1....1....0....0....1....2....2....1....2 ..1....0....1....2....2....2....2....2....2....1....1....0....2....3....2....3 ..0....1....0....0....0....3....0....0....0....2....2....2....3....1....1....0 ..2....2....0....1....1....0....3....0....3....0....3....2....1....1....2....4 ..1....2....1....3....0....0....4....3....3....2....3....2....2....1....2....1 CROSSREFS Sequence in context: A243032 A269236 A242545 * A242547 A242548 A104115 Adjacent sequences: A242543 A242544 A242545 * A242547 A242548 A242549 KEYWORD nonn AUTHOR R. H. Hardin, May 17 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 December 6 09:20 EST 2023. Contains 367600 sequences. (Running on oeis4.)