Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north or northeast neighbors modulo 5 and the upper left element equal to 0.
A267559
Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north or northeast neighbors modulo 5 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =14a(4) =55a(5) =287a(6) =2165a(7) =21835a(8) =252726a(9) =3096256a(10) =38732624a(11) =488632335a(12) =6180876159a(13) =78236666009a(14) =990197916540
External references
- oeis: A267559