Number of length 5+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.
A249006
Number of length 5+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.
Terms
- a(0) =416a(1) =6872a(2) =91888a(3) =706704a(4) =4149708a(5) =16909524a(6) =61034658a(7) =179220600a(8) =484680810a(9) =1179584718a(10) =2691862296a(11) =5660060962a(12) =11419487998a(13) =21680491596a(14) =39877845854a(15) =70202009284a(16) =120203803140a(17) =198769546216a(18) =321758154748a(19) =506644858160
External references
- oeis: A249006