Number of binary arrays of length 2*n+5 with fewer than n ones in any length 2n subsequence (=less than 50% duty cycle).
A213123
Number of binary arrays of length 2*n+5 with fewer than n ones in any length 2n subsequence (=less than 50% duty cycle).
Terms
- a(0) =1a(1) =26a(2) =212a(3) =1198a(4) =5842a(5) =26630a(6) =116992a(7) =502492a(8) =2126238a(9) =8903350a(10) =36998056a(11) =152862180a(12) =628749892a(13) =2576996188a(14) =10531805664a(15) =42940549576a(16) =174734720374a(17) =709858318486
External references
- oeis: A213123