Number of length 6+3 0..n arrays with no disjoint pairs in any consecutive four terms having the same sum.
A247732
Number of length 6+3 0..n arrays with no disjoint pairs in any consecutive four terms having the same sum.
Terms
- a(0) =8a(1) =1300a(2) =25822a(3) =282384a(4) =1859736a(5) =9157806a(6) =35577396a(7) =117045466a(8) =335633762a(9) =866155104a(10) =2043994578a(11) =4486798554a(12) =9251159426a(13) =18098333074a(14) =33805948534a(15) =60683289878a(16) =105129360118a(17) =176544589660a(18) =288258130350a(19) =459035320810
External references
- oeis: A247732