53840
domain: N
Appears in sequences
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 29.at n=7A031707
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (1, -1, 0), (1, 0, 1), (1, 1, -1), (1, 1, 0)}.at n=8A150803
- a(n) = 64*n^2 + 16.at n=28A157912
- a(n) = 841*n^2 + 2*n.at n=7A158403
- Number of 2 X 2 matrices having all terms in {-n,...,0,..,n} and determinant >= 3n.at n=9A211153