Number of length n+3 0..4 arrays with no disjoint pairs in any consecutive four terms having the same sum.
A247722
Number of length n+3 0..4 arrays with no disjoint pairs in any consecutive four terms having the same sum.
Terms
- a(0) =440a(1) =1592a(2) =5796a(3) =21152a(4) =77236a(5) =282384a(6) =1032952a(7) =3779018a(8) =13825712a(9) =50587924a(10) =185112244a(11) =677378582a(12) =2478738332a(13) =9070607046a(14) =33193012732a(15) =121467142552a(16) =444499919836
External references
- oeis: A247722