263196

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 38.at n=26A031716
• 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), (0, -1, 0), (0, 1, -1), (0, 1, 0), (1, 1, 1)}.at n=9A150840
• a(n) = 729*n^2 + 27.at n=19A158645