Number of 3 X n 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A281717
Number of 3 X n 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =4a(1) =4a(2) =8a(3) =38a(4) =90a(5) =305a(6) =902a(7) =2710a(8) =8376a(9) =25226a(10) =77145a(11) =235122a(12) =715882a(13) =2186483a(14) =6666846a(15) =20353268a(16) =62140942a(17) =189739429a(18) =579567532a(19) =1770391431a(20) =5409031357a(21) =16528102350a(22) =50508922108a(23) =154369025240a(24) =471828803722
External references
- oeis: A281717