Number of 0..3 arrays of length 2*n+2 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).
A212474
Number of 0..3 arrays of length 2*n+2 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).
Terms
- a(0) =85a(1) =1597a(2) =27024a(3) =445780a(4) =7274268a(5) =118029501a(6) =1908601444a(7) =30794657082a(8) =496095308012
External references
- oeis: A212474