Number of 0..3 arrays of length 2*n+3 with sum less than 3*n in any length 2n subsequence (=less than 50% duty cycle).
A213468
Number of 0..3 arrays of length 2*n+3 with sum less than 3*n in any length 2n subsequence (=less than 50% duty cycle).
Terms
- a(0) =70a(1) =2735a(2) =58898a(3) =1091036a(4) =19105020a(5) =325333429a(6) =5451265872a(7) =90406374528
External references
- oeis: A213468