

A280676


Number of 4Xn 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.


1



14, 612, 12484, 310365, 7533245, 183331502, 4460317695, 108520231044, 2640298250694, 64238619127022, 1562929767205929, 38026186043293995, 925179685380850290, 22509684536321285656, 547662154172647585113
(list;
graph;
refs;
listen;
history;
text;
internal format)




