Number of 0..2 arrays of length 2*n with sum less than 2*n in any length 2n subsequence (=less than 50% duty cycle).
A212730
Number of 0..2 arrays of length 2*n with sum less than 2*n in any length 2n subsequence (=less than 50% duty cycle).
Terms
- a(0) =3a(1) =31a(2) =294a(3) =2727a(4) =25048a(5) =228826a(6) =2083371a(7) =18925047a(8) =171633840a(9) =1554702516a(10) =14069962041a(11) =127240600050
External references
- oeis: A212730