Number of length 7+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.
A248994
Number of length 7+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.
Terms
- a(0) =2a(1) =53a(2) =204a(3) =585a(4) =4742a(5) =30017a(6) =86800a(7) =206989a(8) =376806a(9) =854053a(10) =1617708a(11) =2998849a(12) =4902560a(13) =7778539a(14) =12440676a(15) =19535371a(16) =28611276a(17) =40771083a(18) =55318846a(19) =77181365a(20) =103633374a(21) =137581435a(22) =176929022a(23) =225283535a(24) =285422254a(25) =360064143a(26) =444125526
External references
- oeis: A248994