Number of arrays of median of three adjacent elements of some length n+2 0..4 array, with no adjacent equal elements in the latter.

A229008

Number of arrays of median of three adjacent elements of some length n+2 0..4 array, with no adjacent equal elements in the latter.

Terms

    a(0) =5a(1) =23a(2) =101a(3) =359a(4) =1145a(5) =3527a(6) =10735a(7) =32907a(8) =101635a(9) =315579a(10) =982305a(11) =3059025a(12) =9524031a(13) =29640801a(14) =92224095a(15) =286910991a(16) =892560177a(17) =2776725201a(18) =8638459639a(19) =26874806287a(20) =83609764417a(21) =260117322353a(22) =809247413805

External references