Number of length 2+6 0..n arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four.
A249173
Number of length 2+6 0..n arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four.
Terms
- a(0) =2a(1) =395a(2) =2258a(3) =11177a(4) =39066a(5) =115437a(6) =354572a(7) =920337a(8) =2088652a(9) =4325029a(10) =8248606a(11) =14889789a(12) =25395692a(13) =43971071a(14) =72461790a(15) =114932123a(16) =175804156a(17) =261631751a(18) =378607326a(19) =536343367a(20) =761825382a(21) =1059711829a(22) =1446131636a(23) =1941874063
External references
- oeis: A249173