Number of length 6+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.
A249177
Number of length 6+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) =789432a(7) =3638343a(8) =12172376a(9) =33915383a(10) =80627880a(11) =173244175a(12) =340131464a(13) =798224263a(14) =1688998380a(15) =3320267493a(16) =6050921068a(17) =10478993699
External references
- oeis: A249177