71825
domain: N
Appears in sequences
- Smallest number that is the sum of 2 squares (allowing zeros) in exactly n ways.at n=8A000446
- Smallest number that is the sum of 2 squares in at least n ways.at n=8A000448
- a(n) is the smallest number greater than a(n-1) that is expressible as the sum of two squares in more ways than a(n-1).at n=6A007511
- Least positive integer that is the sum of two squares of positive integers in exactly n ways.at n=8A016032
- Smallest k such that circle x^2 + y^2 = k passes through exactly 4n integer points.at n=17A018782
- Numbers that are the sum of 2 nonzero squares in exactly 9 ways.at n=0A025292
- Numbers that are the sum of 2 nonzero squares in 7 or more ways.at n=13A025298
- Numbers that are the sum of 2 nonzero squares in 8 or more ways.at n=13A025299
- Numbers that are the sum of 2 nonzero squares in 9 or more ways.at n=0A025300
- Numbers that are the sum of 2 distinct nonzero squares in exactly 9 ways.at n=0A025310
- Numbers that are the sum of 2 distinct nonzero squares in 7 or more ways.at n=13A025317
- Numbers that are the sum of 2 distinct nonzero squares in 8 or more ways.at n=13A025318
- Numbers that are the sum of 2 distinct nonzero squares in 9 or more ways.at n=0A025319
- Smallest number that is the sum of two positive squares in >= n ways.at n=8A048610
- Numbers that are expressible as the sum of 2 distinct positive squares in more ways than any smaller number.at n=7A052199
- Numbers of the form q1^b1 * q2^b2 * q3^b3 * q4^b4 * q5^b5 * ... where q1=5, q2=13, q3=17, q4=29, q5=37, ... (A002144) and b1 >= b2 >= b3 >= b4 >= b5 >= ....at n=18A054994
- Squared radii of the circles around (0,0) that contain record numbers of lattice points.at n=10A071383
- Least number which is the sum of two distinct nonzero squares in exactly n ways.at n=8A093195
- Numbers k that are the hypotenuse of exactly 37 distinct integer-sided right triangles, i.e., k^2 can be written as a sum of two squares in 37 ways.at n=0A097245
- Table read by antidiagonals of least integer "mod 4 prime signatures" k ordered by number of primitive Pythagorean triples with hypotenuse = k.at n=24A097754