Number of 0..3 arrays of length 2*n+6 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).
A212478
Number of 0..3 arrays of length 2*n+6 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).
Terms
- a(0) =5864a(1) =172980a(2) =3708268a(3) =70600212a(4) =1246724695a(5) =21292987433a(6) =357117150362
External references
- oeis: A212478