66075

Appears in sequences

• a(n) = 3*a(n-1) - a(n-2) + 2*a(n-3) - 2*a(n-4).at n=10A019487
• 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, -1, 0), (-1, 1, -1), (0, 1, 1), (1, -1, 0)}.at n=12A148173
• 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, -1, 1), (-1, 1, -1), (0, 1, 1), (1, -1, 0)}.at n=12A148174
• Odd numbers whose square's binary reversal is also a square.at n=5A229766