Number of length 7+4 0..n arrays with no disjoint pairs in any consecutive five terms having the same sum.
A247411
Number of length 7+4 0..n arrays with no disjoint pairs in any consecutive five terms having the same sum.
Terms
- a(0) =0a(1) =40a(2) =864a(3) =69976a(4) =1044356a(5) =9228900a(6) =56865236a(7) =311386556a(8) =1306471352a(9) =5072526324a(10) =16781511756a(11) =50442813960a(12) =137671413776a(13) =352319727008a(14) =836231888980
External references
- oeis: A247411