256368

Appears in sequences

• Number of squares (of another matrix) in M_2(n) - the ring of 2 X 2 matrices over Z_n.at n=43A068197
• Expansion of (b(q^6) * c(q^6)) / (b(q^3) * c(q^3)) in powers of q where b(), c() are cubic AGM theta functions.at n=35A102315
• Number of -n..n arrays x(0..3) of 4 elements with zero sum and nonzero second differences.at n=35A200554
• Number of length 5 0..n arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope.at n=26A245135
• Column 5 of A060244.at n=34A291590