Number of 0..2 arrays of length 2*n+1 with sum less than 2*n in any length 2n subsequence (=less than 50% duty cycle).
A212731
Number of 0..2 arrays of length 2*n+1 with sum less than 2*n in any length 2n subsequence (=less than 50% duty cycle).
Terms
- a(0) =5a(1) =67a(2) =690a(3) =6681a(4) =63052a(5) =587036a(6) =5420945a(7) =49790907a(8) =455613780a(9) =4157731326a(10) =37863399867a(11) =344260235646
External references
- oeis: A212731