1/8 the number of (n+1)X5 0..3 arrays with all 2X2 subblock sums the same.
A184024
1/8 the number of (n+1)X5 0..3 arrays with all 2X2 subblock sums the same.
Terms
- a(0) =748a(1) =1347a(2) =2597a(3) =5802a(4) =13603a(5) =35256a(6) =94469a(7) =271176a(8) =798403a(9) =2473212a(10) =7822157a(11) =25745712a(12) =86242603a(13) =298311996a(14) =1046975909a(15) =3769450656a(16) =13725480883a(17) =50967923052a(18) =190813253117a(19) =724853725872
External references
- oeis: A184024