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 A361722 #7 Mar 24 2023 16:35:16 %S A361722 2,3,4,8,13,31,44,47,55,66,84,96,121,125,135,143,154,161,179,192,197, %T A361722 218,231,242,267,270,279,293,303,308,341,352,372,379,403,412,426,440, %U A361722 462,476,494,501,524,530,542,545,578,617,626,639,645,665,668,697,717,730,741,748,770,786,798,822,850 %N A361722 Index of where prime(n) first appears as a divisor of any term in A359804. %Y A361722 Cf. A359804, A361503, A361502, A361504. %K A361722 nonn %O A361722 1,1 %A A361722 _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 21 2023