Number of 0..2 arrays of length n+3 with sum no more than 4 in any length 4 subsequence (=50% duty cycle).
A212226
Number of 0..2 arrays of length n+3 with sum no more than 4 in any length 4 subsequence (=50% duty cycle).
Terms
- a(0) =50a(1) =124a(2) =311a(3) =775a(4) =1895a(5) =4663a(6) =11518a(7) =28446a(8) =70145a(9) =172951a(10) =426630a(11) =1052487a(12) =2596184a(13) =6403675a(14) =15795627a(15) =38963018a(16) =96109484a(17) =237070048a(18) =584773118a(19) =1442444418a(20) =3558040343a(21) =8776520278a(22) =21648797430a(23) =53400493513a(24) =131721540000
External references
- oeis: A212226