184144

Appears in sequences

• Number of positive integers <= 2^n of form 3 x^2 + 7 y^2.at n=21A054164
• Number of (n+1) X (n+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).at n=4A235311
• Number of (n+1) X (5+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).at n=4A235316