28906

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 65.at n=30A020404
• Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n then a(n) is the trace of M(n)^(-6).at n=32A114358
• Number of walks within N^2 (the first quadrant of Z^2) starting and ending at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (-1, 1), (0, -1), (0, 1), (1, 1)}.at n=10A151367
• Denominators of convergents to the square root of the golden ratio.at n=9A225205
• Cycle lengths obtained by repeated application of Klaus Nagel's strip bijection, as described in A307110.at n=20A363760
• Length of cycles obtained by repeated application of the strip bijection for the square lattice (A307110), sorted by increasing minimum radius visited by any cycle of this length.at n=20A367893