Number of length 1+5 0..n arrays with no six consecutive terms having the maximum of any two terms equal to the minimum of the remaining four terms.
A249961
Number of length 1+5 0..n arrays with no six consecutive terms having the maximum of any two terms equal to the minimum of the remaining four terms.
Terms
- a(0) =15a(1) =285a(2) =2010a(3) =8790a(4) =28785a(5) =77595a(6) =181860a(7) =383580a(8) =745155a(9) =1355145a(10) =2334750a(11) =3845010a(12) =6094725a(13) =9349095a(14) =13939080a(15) =20271480a(16) =28839735a(17) =40235445a(18) =55160610a(19) =74440590a(20) =99037785a(21) =130066035a(22) =168805740a(23) =216719700a(24) =275469675a(25) =346933665
External references
- oeis: A249961