Number of nX4 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
A281798
Number of nX4 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =3a(1) =38a(2) =372a(3) =1916a(4) =8354a(5) =32524a(6) =117401a(7) =404594a(8) =1345667a(9) =4351562a(10) =13766102a(11) =42771530a(12) =130923764a(13) =395755820a(14) =1183519011a(15) =3506644006a(16) =10305848743a(17) =30072612682a(18) =87197043981a(19) =251401262840a(20) =721134389016
External references
- oeis: A281798