138353domain: NAppears in sequences144*n^2 - n.at n=30A156635a(n) = 961*n^2 - 31.at n=11A158679Number of n X 2 0..1 arrays with each 1 adjacent to 1, 3 or 4 king-move neighboring 1s.at n=11A296798a(n) = coefficient of x^n in A(x) such that x = Sum_{n=-oo..+oo} x^(n*(3*n+1)/2) * (A(x)^(3*n) - 1/A(x)^(3*n+1)).at n=8A359920