Number of length 4+4 0..n arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.
A249470
Number of length 4+4 0..n arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.
Terms
- a(0) =216a(1) =2802a(2) =34832a(3) =206428a(4) =980718a(5) =3512232a(6) =10671554a(7) =28408106a(8) =68141702a(9) =149985134a(10) =308128976a(11) =596635030a(12) =1099154100a(13) =1939520516a(14) =3298783802a(15) =5428583306a(16) =8678985766a(17) =13520275360a(18) =20580791722a(19) =30686017266a(20) =44896600642
External references
- oeis: A249470