Number of length 4+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum.
A247931
Number of length 4+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum.
Terms
- a(0) =256a(1) =3649a(2) =31092a(3) =157589a(4) =552708a(5) =1551533a(6) =3785236a(7) =8185797a(8) =16336592a(9) =29964505a(10) =51882716a(11) =85160905a(12) =134184772a(13) =203205957a(14) =298757712a(15) =427405305a(16) =597735952a(17) =817776021a(18) =1099449280a(19) =1455028945a(20) =1897411468a(21) =2442220549a(22) =3107178892
External references
- oeis: A247931