Number of length 3 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.
A254220
Number of length 3 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) =1a(2) =3a(3) =11a(4) =12a(5) =32a(6) =48a(7) =86a(8) =98a(9) =172a(10) =183a(11) =295a(12) =383a(13) =525a(14) =559a(15) =793a(16) =829a(17) =1110a(18) =1324a(19) =1646a(20) =1709a(21) =2199a(22) =2531a(23) =3056a(24) =3469a(25) =4088a(26) =4240a(27) =5109a(28) =5232a(29) =6062
External references
- oeis: A254220