Number of length 1+6 0..n arrays with no seven consecutive terms having the maximum of any two terms equal to the minimum of the remaining five terms.
A250060
Number of length 1+6 0..n arrays with no seven consecutive terms having the maximum of any two terms equal to the minimum of the remaining five terms.
Terms
- a(0) =21a(1) =735a(2) =7224a(3) =40320a(4) =160545a(5) =509691a(6) =1375080a(7) =3281544a(8) =7116165a(9) =14290815a(10) =26947536a(11) =48211800a(12) =82498689a(13) =135877035a(14) =216496560a(15) =335083056a(16) =505506645a(17) =745428159a(18) =1077028680a(19) =1527827280a(20) =2131592001a(21) =2929349115a(22) =3970495704
External references
- oeis: A250060