Number of 3 X n 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2.
A275132
Number of 3 X n 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2.
Terms
- a(0) =2a(1) =12a(2) =45a(3) =174a(4) =675a(5) =2607a(6) =10077a(7) =38967a(8) =150651a(9) =582435a(10) =2251827a(11) =8706015a(12) =33659139a(13) =130132935a(14) =503119779a(15) =1945160703a(16) =7520376939a(17) =29075268471a(18) =112410752211a(19) =434602254687
External references
- oeis: A275132