Number of length 7+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.
A249663
Number of length 7+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.
Terms
- a(0) =2a(1) =53a(2) =164a(3) =485a(4) =2590a(5) =7709a(6) =23048a(7) =58981a(8) =118234a(9) =229677a(10) =383820a(11) =602267a(12) =905604a(13) =1335037a(14) =1951402a(15) =2768703a(16) =3790164a(17) =5063335a(18) =6638626a(19) =8766367a(20) =11301260a(21) =14309507a(22) =17870666a(23) =22057917a(24) =27136820a(25) =32971357a(26) =39630644a(27) =47296045a(28) =55935830
External references
- oeis: A249663