Number of length n+3 0..2 arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.
A250381
Number of length n+3 0..2 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) =42a(1) =78a(2) =146a(3) =274a(4) =514a(5) =966a(6) =1816a(7) =3414a(8) =6418a(9) =12066a(10) =22688a(11) =42658a(12) =80208a(13) =150808a(14) =283566a(15) =533182a(16) =1002538a(17) =1885048a(18) =3544452a(19) =6664608a(20) =12531430a(21) =23562750a(22) =44304934a(23) =83306386a(24) =156640636a(25) =294530672a(26) =553804746a(27) =1041316906a(28) =1957983912
External references
- oeis: A250381