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!)
 A250366 Number of length n+6 0..1 arrays with every seven consecutive terms having the maximum of some three terms equal to the minimum of the remaining four terms 1
 93, 151, 252, 424, 714, 1198, 1996, 3292, 5464, 9138, 15356, 25874, 43654, 73684, 124372, 210049, 355170, 601345, 1019254, 1728973, 2934563, 4983010, 8464698, 14384753, 24454971, 41590601, 70756107, 120406541, 204943704, 348902096 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 1 of A250373 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 2*a(n-1) -a(n-2) +a(n-3) +6*a(n-7) -7*a(n-8) -2*a(n-9) -7*a(n-10) -5*a(n-11) -6*a(n-12) +a(n-13) -22*a(n-14) +6*a(n-15) +11*a(n-16) +20*a(n-17) +22*a(n-18) +33*a(n-19) +3*a(n-20) +47*a(n-21) +11*a(n-22) -15*a(n-23) -27*a(n-24) -38*a(n-25) -60*a(n-26) -11*a(n-27) -62*a(n-28) -28*a(n-29) +11*a(n-30) +21*a(n-31) +36*a(n-32) +55*a(n-33) +10*a(n-34) +51*a(n-35) +23*a(n-36) -11*a(n-37) -10*a(n-38) -21*a(n-39) -29*a(n-40) -4*a(n-41) -27*a(n-42) -8*a(n-43) +6*a(n-44) +2*a(n-45) +7*a(n-46) +8*a(n-47) +a(n-48) +8*a(n-49) +a(n-50) -a(n-51) -a(n-53) -a(n-54) -a(n-56) EXAMPLE Some solutions for n=6 ..1....0....0....1....1....1....0....1....1....0....0....1....0....1....1....0 ..1....1....1....1....0....1....1....0....1....1....1....0....0....1....1....0 ..0....1....1....0....1....0....0....0....0....0....1....1....0....1....1....0 ..1....1....0....0....0....0....0....1....1....1....0....0....0....0....1....0 ..1....1....0....0....0....0....0....0....0....0....1....0....1....1....1....1 ..0....1....0....0....0....0....0....0....0....1....0....0....0....1....0....0 ..1....1....0....1....0....0....1....0....0....0....0....1....0....0....1....0 ..1....1....0....1....1....0....0....0....0....0....0....0....1....1....0....1 ..1....0....0....0....0....1....1....1....0....1....0....1....1....1....1....0 ..0....0....0....0....0....1....0....0....0....0....0....0....0....1....1....1 ..1....1....0....1....1....1....0....1....0....1....0....0....0....1....1....0 ..1....1....1....0....1....0....0....0....1....0....0....1....0....1....1....0 CROSSREFS Sequence in context: A048257 A255991 A213114 * A306540 A044425 A044806 Adjacent sequences: A250363 A250364 A250365 * A250367 A250368 A250369 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 December 7 18:28 EST 2023. Contains 367660 sequences. (Running on oeis4.)