Number of length n+6 0..3 arrays with no seven consecutive terms having the maximum of any three terms equal to the minimum of the remaining four terms.
A249878
Number of length n+6 0..3 arrays with no seven consecutive terms having the maximum of any three terms equal to the minimum of the remaining four terms.
Terms
- a(0) =7420a(1) =18390a(2) =46460a(3) =118638a(4) =304782a(5) =785512a(6) =2027106a(7) =5230332a(8) =13575241a(9) =35268844a(10) =91649283a(11) =238126906a(12) =618542307a(13) =1606205300a(14) =4170218895a(15) =10838679346a(16) =28180516833a(17) =73277272466a(18) =190527090485a(19) =495299085639
External references
- oeis: A249878