Number of 0..3 arrays of length 2*n+3 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).
A212475
Number of 0..3 arrays of length 2*n+3 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).
Terms
- a(0) =246a(1) =5211a(2) =93308a(3) =1581686a(4) =26242268a(5) =430682205a(6) =7023308036a(7) =114062278982
External references
- oeis: A212475