Number of length 4+3 0..n arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.
A250390
Number of length 4+3 0..n arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.
Terms
- a(0) =6a(1) =274a(2) =3384a(3) =21950a(4) =96866a(5) =331128a(6) =944272a(7) =2352468a(8) =5279310a(9) =10902342a(10) =21040360a(11) =38386530a(12) =66792362a(13) =111607580a(14) =180080928a(15) =281826952a(16) =429363798a(17) =638727066a(18) =930164760a(19) =1328918374a(20) =1866095154a(21) =2579636576a(22) =3515388080a(23) =4728275100
External references
- oeis: A250390