Number of 0..3 arrays of length n+3 with sum no more than 6 in any length 4 subsequence (=50% duty cycle).
A212465
Number of 0..3 arrays of length n+3 with sum no more than 6 in any length 4 subsequence (=50% duty cycle).
Terms
- a(0) =150a(1) =486a(2) =1597a(3) =5211a(4) =16649a(5) =53553a(6) =172980a(7) =558743a(8) =1801720a(9) =5808944a(10) =18737526a(11) =60447764a(12) =194984049a(13) =628912080a(14) =2028584905a(15) =6543438398a(16) =21106550023a(17) =68080857417a(18) =219600230083a(19) =708339701336
External references
- oeis: A212465