cp's OEIS Frontend

A097245 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.

%I A097245 #17 Jun 09 2025 20:20:46
%S A097245 71825,93925,122525,143650,156325,173225,187850,209525,215475,223925,
%T A097245 244205,245050,257725,267325,273325,281775,287300,296225,308425,
%U A097245 312650,346450,357425,367575,375700,376025,382925,409825,419050,426725,430950
%N A097245 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.
%C A097245 If m is a term, then 2*m and p*m are terms where p is any prime of the form 4k+3. - _Ray Chandler_, Dec 30 2019
%H A097245 Ray Chandler, <a href="/A097245/b097245.txt">Table of n, a(n) for n = 1..10000</a>
%Y A097245 Cf. A004144 (0), A084645 (1), A084646 (2), A084647 (3), A084648 (4), A084649 (5), A097219 (6), A097101 (7), A290499 (8), A290500 (9), A097225 (10), A290501 (11), A097226 (12), A097102 (13), A290502 (14), A290503 (15), A097238 (16), A097239 (17), A290504 (18), A290505 (19), A097103 (22), A097244 (31), A097282 (40), A097626 (67).
%K A097245 nonn
%O A097245 1,1
%A A097245 _James R. Buddenhagen_, Sep 17 2004
%E A097245 More terms from _Ray Chandler_, Sep 18 2004