Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any north or northeast neighbors modulo 7 and the upper left element equal to 0.
A267561
Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any north or northeast neighbors modulo 7 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =14a(4) =54a(5) =278a(6) =2033a(7) =21781a(8) =345443a(9) =7589059a(10) =200130901a(11) =5749483969
External references
- oeis: A267561