Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo 5 and the upper left element equal to 0.
A267406
Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo 5 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =7a(6) =71a(7) =795a(8) =7664a(9) =61168a(10) =418261a(11) =2525791a(12) =13827686a(13) =70162052a(14) =338544546a(15) =1605713949a(16) =7857197985a(17) =41880484406a(18) =250463596645
External references
- oeis: A267406