835210

Appears in sequences

• Number of 2 X 2 matrices with all terms in {0,1,...,n} and even determinant.at n=33A210369
• Number of 2 X 2 matrices having all terms in {1,...,n} and even determinant.at n=33A211064
• The numerators of curvatures of touching circles inscribed in a special way in the smaller segment of unit circle divided by a chord of length sqrt(84)/5.at n=4A249458