Number of 0..2 arrays of length 1+2*n with sum no more than 2*n in any length 2n subsequence (=50% duty cycle).
A212234
Number of 0..2 arrays of length 1+2*n with sum no more than 2*n in any length 2n subsequence (=50% duty cycle).
Terms
- a(0) =14a(1) =124a(2) =1113a(3) =10002a(4) =89911a(5) =808403a(6) =7269626a(7) =65380788a(8) =588072207a(9) =5289869433a(10) =47586806448a(11) =428105244789
External references
- oeis: A212234