Number of length n+3 0..7 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
A249289
Number of length n+3 0..7 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
Terms
- a(0) =3584a(1) =25280a(2) =178644a(3) =1263044a(4) =8930228a(5) =63142432a(6) =446465388a(7) =3156873140a(8) =22321652802a(9) =157832259724
External references
- oeis: A249289