Number of length 4+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.
A249710
Number of length 4+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.
Terms
- a(0) =28a(1) =221a(2) =896a(3) =2601a(4) =6172a(5) =12789a(6) =24032a(7) =41937a(8) =69052a(9) =108493a(10) =164000a(11) =239993a(12) =341628a(13) =474853a(14) =646464a(15) =864161a(16) =1136604a(17) =1473469a(18) =1885504a(19) =2384585a(20) =2983772a(21) =3697365a(22) =4540960a(23) =5531505a(24) =6687356a(25) =8028333a(26) =9575776a(27) =11352601a(28) =13383356
External references
- oeis: A249710