Number of nX4 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.
A281711
Number of nX4 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) =2a(1) =14a(2) =38a(3) =97a(4) =245a(5) =631a(6) =1625a(7) =4234a(8) =11017a(9) =28652a(10) =74521a(11) =193836a(12) =504195a(13) =1311543a(14) =3411786a(15) =8875377a(16) =23088294a(17) =60062126a(18) =156247057a(19) =406466099a(20) =1057396975a(21) =2750760479a(22) =7155964344a(23) =18615901819a(24) =48428431650a(25) =125984478749a(26) =327743372244
External references
- oeis: A281711