Number of length n+3 0..5 arrays with some disjoint pairs in every consecutive four terms having the same sum.

A247530

Number of length n+3 0..5 arrays with some disjoint pairs in every consecutive four terms having the same sum.

Terms

    a(0) =336a(1) =600a(2) =1124a(3) =2164a(4) =4228a(5) =8440a(6) =16932a(7) =34068a(8) =68688a(9) =139040a(10) =281646a(11) =570720a(12) =1157028a(13) =2347720a(14) =4764538a(15) =9669762a(16) =19627304a(17) =39846710a(18) =80899690a(19) =164248362a(20) =333480544a(21) =677107822a(22) =1374849942a(23) =2791574878a(24) =5668275372a(25) =11509431434

External references