Number of 0..n arrays x(0..4) of 5 elements without any interior element greater than both neighbors or less than both neighbors.

A200873

Number of 0..n arrays x(0..4) of 5 elements without any interior element greater than both neighbors or less than both neighbors.

Terms

    a(0) =16a(1) =77a(2) =236a(3) =567a(4) =1168a(5) =2163a(6) =3704a(7) =5973a(8) =9184a(9) =13585a(10) =19460a(11) =27131a(12) =36960a(13) =49351a(14) =64752a(15) =83657a(16) =106608a(17) =134197a(18) =167068a(19) =205919a(20) =251504a(21) =304635a(22) =366184a(23) =437085a(24) =518336a(25) =611001a(26) =716212a(27) =835171a(28) =969152a(29) =1119503

External references