Number of 0..2 arrays of length 2+2*n with sum no more than 2*n in any length 2n subsequence (=50% duty cycle).
A212235
Number of 0..2 arrays of length 2+2*n with sum no more than 2*n in any length 2n subsequence (=50% duty cycle).
Terms
- a(0) =31a(1) =311a(2) =2902a(3) =26637a(4) =242780a(5) =2204646a(6) =19976155a(7) =180744711a(8) =1633768428a(9) =14757208260a(10) =133224377745
External references
- oeis: A212235