Number of length n+3 0..3 arrays with some disjoint pairs in every consecutive four terms having the same sum.

A247528

Number of length n+3 0..3 arrays with some disjoint pairs in every consecutive four terms having the same sum.

Terms

    a(0) =88a(1) =136a(2) =220a(3) =364a(4) =604a(5) =1018a(6) =1732a(7) =2956a(8) =5050a(9) =8638a(10) =14794a(11) =25348a(12) =43438a(13) =74446a(14) =127606a(15) =218740a(16) =374968a(17) =642784a(18) =1101898a(19) =1888954a(20) =3238192a(21) =5551168a(22) =9516268a(23) =16313584a(24) =27966124a(25) =47941900a(26) =82186078a(27) =140890372a(28) =241526284a(29) =414044950

External references