Number of length n+4 0..7 arrays with some pair in every consecutive five terms totalling exactly 7.
A246891
Number of length n+4 0..7 arrays with some pair in every consecutive five terms totalling exactly 7.
Terms
- a(0) =23400a(1) =159688a(2) =1079680a(3) =7216512a(4) =47799488a(5) =319477960a(6) =2132283592a(7) =14219886016a(8) =94826520320a(9) =632600369216
External references
- oeis: A246891