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 A024512 #7 Jul 13 2019 17:35:34 %S A024512 1,2,4,7,10,14,19,24,30,37,42,51,59,68,77,87,98,109,121,132,146,157, %T A024512 170,186,202,216,231,249,265,282,300,317,336,357,376,397,418,438,460, %U A024512 483,507,529,553,577,602,627,651,680,707,734,763,791,819,846,877,909,940,969 %N A024512 Position of 1 + n^2 in A004431 (sums of 2 distinct nonzero squares). %K A024512 nonn %O A024512 2,2 %A A024512 _Clark Kimberling_ %E A024512 Offset corrected and more terms from _Sean A. Irvine_, Jul 13 2019