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 A253287 #36 Dec 31 2021 22:22:46 %S A253287 8,14,3135,10714,70342709283 %N A253287 Numbers representable as x^y + x*y and as b^c + b + c, where x, y, b, c are integers > 1. %C A253287 Intersection of A250004 and A253775. %C A253287 No more terms < 10^20. - _Lars Blomberg_, Dec 13 2015 %e A253287 a(2) = 14 = 2^3 + 2*3 = 3^2 + 2 + 3. %e A253287 a(3) = 3135 = 55^2 + 55*2 = 5^5 + 5 + 5. %e A253287 a(4) = 10714 = 22^3 + 22*3 = 103^2 + 103 + 2. %e A253287 a(5) = 70342709283 = 265221^2 + 265221*2 = 4128^3 + 4128 + 3. %Y A253287 Cf. A250004, A253775. %K A253287 nonn,more %O A253287 1,1 %A A253287 _Alex Ratushnyak_, Jan 18 2015