This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A376429 #9 Sep 23 2024 16:15:06 %S A376429 4,12,15,21,35,40,45,55,60,72,80,91,99,105,112,132,140,165,168,180, %T A376429 195,208,209,221,231,252,255,260,272,275,285,288,299,308,312,325,340, %U A376429 351,380,391,399,408,420,425,440,459,465,520,532,551,552,572,575,589,595,600 %N A376429 Numbers k that occur as longer legs of Pythagorean triangles with Pythagorean primes A002144 as hypotenuses. %C A376429 Distinct sorted terms of A002365. %Y A376429 Cf. A002144, A002365, A376428, A376430. %Y A376429 Subsequence of A020883. %K A376429 nonn %O A376429 1,1 %A A376429 _Hugo Pfoertner_, Sep 22 2024