Number of length 1+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.
A249002
Number of length 1+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) =30a(1) =190a(2) =820a(3) =2540a(4) =6450a(5) =13990a(6) =27740a(7) =50260a(8) =86030a(9) =139450a(10) =217320a(11) =325940a(12) =475630a(13) =674650a(14) =937020a(15) =1274160a(16) =1703970a(17) =2240850a(18) =2908260a(19) =3723400a(20) =4715230a(21) =5905430a(22) =7328400a(23) =9009880a(24) =10991870a(25) =13303750a(26) =15994820a(27) =19100260a(28) =22676370
External references
- oeis: A249002