Number of length 6 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.
A254223
Number of length 6 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.
Terms
- a(0) =0a(1) =2a(2) =6a(3) =136a(4) =192a(5) =1472a(6) =3720a(7) =11182a(8) =16698a(9) =44652a(10) =58174a(11) =129560a(12) =207946a(13) =379126a(14) =471170a(15) =858104a(16) =1025788a(17) =1709908a(18) =2349342a(19) =3507974a(20) =4085852a(21) =6291688a(22) =7972036a(23) =11313026a(24) =14262670a(25) =19396782a(26) =22025082a(27) =31062140a(28) =34653076a(29) =45272262
External references
- oeis: A254223