Number of 0..3 arrays of length 2*n+1 with sum less than 3*n in any length 2n subsequence (=less than 50% duty cycle).
A213466
Number of 0..3 arrays of length 2*n+1 with sum less than 3*n in any length 2n subsequence (=less than 50% duty cycle).
Terms
- a(0) =14a(1) =310a(2) =5542a(3) =94238a(4) =1568984a(5) =25829770a(6) =422335348a(7) =6874493982a(8) =111547175144
External references
- oeis: A213466