51649

Appears in sequences

• Number of 6-ary rooted trees with n nodes and height exactly 5.at n=17A036643
• Numbers having four 7's in base 9.at n=26A043484
• Ordered hypotenuses of primitive Pythagorean triangles having legs that add up to a square.at n=30A088319
• a(n-1)*a(n-6) + a(n-2)*a(n-7) + a(n-3)*a(n-8) + a(n-4)*a(n-9), with a(k<8) = 1.at n=16A118334
• 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, 0, 1), (-1, 1, -1), (1, -1, 1), (1, 0, 0)}.at n=12A148036
• Number of partitions of 3n into exactly 5 parts.at n=36A256314
• Number of partitions of 4n into exactly 5 parts.at n=27A256316
• Number of vertices among all distinct circles that can be constructed from a point on the origin and n equally spaced points on each of the +x,-x,+y,-y coordinates axes when each pair of points is connected by a circle and where the points lie at the ends of the circles' diameter.at n=6A362233