Number of length 2+6 0..n arrays with no seven consecutive terms having the maximum of any three terms equal to the minimum of the remaining four terms.
A249885
Number of length 2+6 0..n 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) =35a(1) =1365a(2) =18390a(3) =136010a(4) =684585a(5) =2644815a(6) =8435180a(7) =23274900a(8) =57355695a(9) =129095945a(10) =269791170a(11) =530015070a(12) =988165685a(13) =1761591555a(14) =3020773080a(15) =5007074600a(16) =8054623035a(17) =12616909245a(18) =19298748590a(19) =28894277490a(20) =42431703105a(21) =61225563575
External references
- oeis: A249885