164807domain: NAppears in sequencesa(n) = 196*n^2 - n.at n=28A158003a(n) = 841*n^2 - 29.at n=13A158667Number of n X 4 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.at n=7A296316Number of integer compositions of n that are the first sums of a unique composition.at n=33A391644