Number of nX1 0..5 arrays with every element value z a city block distance of exactly z from another element value z.

A208957

Number of nX1 0..5 arrays with every element value z a city block distance of exactly z from another element value z.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =12a(4) =33a(5) =99a(6) =286a(7) =794a(8) =2235a(9) =6193a(10) =17584a(11) =49978a(12) =141115a(13) =397871a(14) =1119496a(15) =3143540a(16) =8816661a(17) =24794657a(18) =69734595a(19) =196208514a(20) =550646282a(21) =1545975038a(22) =4342120668a(23) =12196239620a(24) =34268355937a(25) =96256484372a(26) =270382410201

External references