Number of nX3 0..1 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
A223007
Number of nX3 0..1 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =1a(1) =7a(2) =24a(3) =169a(4) =557a(5) =4108a(6) =14040a(7) =104533a(8) =365722a(9) =2734747a(10) =9710957a(11) =72847186a(12) =261226274a(13) =1964845906a(14) =7094565566a(15) =53482760485a(16) =194106792191
External references
- oeis: A223007